All-new Vertex Speed | Free shipping & returns

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Please select your preferred shipping region:

Australia
Austria
Belgium
Canada
China
Czech Republic
Denmark
Finland
France
Germany
Ireland
Italy
Japan
New Zealand
Norway
Poland
Spain
Sweden
Switzerland
The Netherlands
United Kingdom
United States

New Footwear

Run the climb in the new Vertex Speed, with a hybrid midsole for grip and speed into the ridgeline.

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Rho Bottom Women's

€100.00

1 / 5

Rho Bottom Women's

Rating Distribution

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44 reviews with 5 stars.

2 reviews with 4 stars.

1 review with 3 stars.

2 reviews with 2 stars.

9 reviews with 1 star.

Overall Rating

41 out of 51 (80%) reviewers recommend this product

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Rating Summary

Fits:, 2.94 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Quality of Product, 3.5 out of 5

Comfort, 4.9 out of 5

Warmth:, 4.3 out of 5

9 to 38 of 58 Reviews

9 – 38 of 58 Reviews

5 out of 5 stars.

Snug fit!

I bought these bottoms to replace a very old pair of the same ones. My old ones are probably close to 20+ years old and were likely close to first generation of this product. The old ones are still in use but i wanted another pair on standby. The newer model fit more snugly. I weigh less than i used to and still needed to size up from a small to a medium. Nearly everything else i wear from Arcteryx is size small or 4 short in pants! Thusly, if you have an athletic body type, my advice would be to size up. These fit snugly and they are warmer for their weight than i thought they would be. They are a good mid range base layer that should easily fit under most pants.

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Body TypeAthletic

5 out of 5 stars.

The Perfect Ski Base Layer

I use this under shell pants for skiing, ice climbing, and by themselves for running. They are perfect. Been using them for years. My first pair is probably 10 years old, and as good as the day I bought it.

Q: Size Purchased:

A: Warm, Comfortable

A: Ice Climbing, Skiing

Q: Your Height:

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Quality of Product, 5.0 out of 5

Comfort, 5.0 out of 5

Body TypeAthletic

5 out of 5 stars.

Warm and stretchy

I bought this along with the matching shirt. At 5’7”, 120lbs I bought a large. Perfect fit! Super warm and stretchy.

Q: Size Purchased:

A: Super stretchy

A: Ice Climbing

Q: Your Height:

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Fits:, 2 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Comfort, 5.0 out of 5

5 out of 5 stars.

Comfiest pair of long underwear ever!

I bought these because the reviews were great and they really are everything they claim to be! When they arrived, I was skeptical, because they look like a typical pair of leggings. I didn’t think it was possible, but they are more comfortable than that and very thin for wearing underneath other clothing items. It barely feels like you’re wearing anything . I haven’t tested them in really cold weather, but they kept me warm on my hour long walks under a very thin pair of pants at -15°C. I didn’t want anything too warm anyways as I’ll just wear ski pants if it’s that cold. But this is an excellent product that lives up to all the claims. I highly recommend!

Q: Size Purchased:

A: Warm, comfortable, thin

A: Dual color, look like leggings

Q: Your Height:

Originally posted on Rho Lightweight Bottom, 2022-2023

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Quality of Product, 5.0 out of 5

Comfort, 5.0 out of 5

Squamish, BC CAN

Body TypeAthletic

1 out of 5 stars.

TEAR on day 3 of snowboarding with them!

I just bought these and have snowboarded them three days now and when I got home I was super shocked to see that they had a hole on the butt…I couldn’t believe it. Just makes me think the material is not all it’s said to be for the cost that just shouldn’t happen. They fit great and feel amazing on but the tear that happened on only day 3 of riding in them has be very disappointed and I will be returning for a refund or possibly and exchange to try them once more…

Q: Size Purchased:

A: Snowboarding

Q: Your Height:

No, I do not recommend this product.

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Fits:, 4 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Quality of Product, 1.0 out of 5

Comfort, 5.0 out of 5

Response from Arc'teryx:

Arc'teryx Guest Services

Hi Chanelle, we are sorry to hear about the rip with your Rho Bottom after using it for 3 days. Your feedback is important to us, and we'll be sure to convey it to our design team. We suggest filling out a Product Service Request form, and our representatives will assess how we can assist you. https://arcteryx.com/ca/en/help/product-service/service-request

5 out of 5 stars.

Best leggings with touch of warms

They have perfect combination of stretch, staying in place and warms. Used them as base layer under pants, as pajama for camping in cold and they did not cut blood circulation! If you between sizes - size down.

A: Softness, stretch, light warmth

A: Hiking, camping

Yes, I recommend this product.

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Fits:, 2 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Quality of Product, 5.0 out of 5

Body TypeAthletic

5 out of 5 stars.

Insulated tights

Perfect stretch. Don’t move down in the back when bending. Warm and not bulky.

A: Warm and stretchy. Not too tight.

A: Shine to fabric on thighs

Q: Your Height:

Yes, I recommend this product.

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Quality of Product, 5.0 out of 5

Body TypeAthletic

5 out of 5 stars.

Most comfortable leggings I've worn!

These are likely the most comfortable leggings or base layer pants I have worn. They are my go to for sightly cool temps as they are a bit warmer than the Essent Leggings. I love climbing in them as they fit well, are comfortable for wearing with a harness, and provide plenty of mobility! Also, like the side zip pocket!

A: Comfort, perfect for cool temps

Q: Your Height:

Yes, I recommend this product.

Originally posted on Rho Lightweight Bottom, 2022-2023

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Quality of Product, 5.0 out of 5

Body TypeAthletic

1 out of 5 stars.

Poor quality in fabric

I purchased to replace previous pair. This fabric and quality is not at all to previous years. I think this fabric was a downgrade and hopefully they will replace with their usual quality. Had to return sadly. Also, I purchased a medium as in all other bottoms and they didn’t even fit my daughter who is a size 4. Sizing is way off. If you purchase, order two sizes up. For reference: size 8 or medium in bottoms. Weight 160, 5’8”.

A: Poor quality fabric

No, I do not recommend this product.

Originally posted on Rho Lightweight Bottom, 2022-2023

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Fits:, 1 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Quality of Product, 1.0 out of 5

Response from Arc'teryx:

Customer Service

Hello there, Thank you for reaching out and sharing your feedback on the Rho Lightweight Bottom. We're genuinely sorry to hear that you're disappointed and that it did not suit your needs. Our customers will occasionally read these reviews, so we appreciate it when others share their experience with us, and we will be sure to pass your comments along to our design team. If you have any additional comments or concerns, we welcome you to contact our Customer Service team, and one of our representatives would be happy to assist you. All the best

5 out of 5 stars.

Super Cute. I'm In LOVE with these Pants!

I can't believe how soft and form fitting these bottoms are. Super convenient zipper pocket for bank card or keys. Not to mention my Husband says my butt looks amazing in these pants. (wink wink) You can't miss with a purchase like this! I can't wait to get the pink Rho pants next!!

A: Very figure flattering

A: wish I bought more colors

A: There's nothing I cant do in these pants

Yes, I recommend this product.

Originally posted on Rho Lightweight Bottom, 2022-2023

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Quality of Product, 5.0 out of 5

1 out of 5 stars.

My other review should not be full stars!!

I selected 1 star and the company made it more. This product was terrible

No, I do not recommend this product.

Originally posted on Rho Lightweight Bottom, 2022-2023

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Quality of Product, 1.0 out of 5

Response from Arc'teryx:

Customer Service

Hello there, As per your review "These tore immediately upon pulling them on. They are the right size and fit- but terrible quality for a brand that is so high end and expensive. Would love a refund. Or if you think this is a one off- I would trade them back" We're sorry to hear about the durability issues you have come up against with your Rho Lightweight Bottom. We appreciate your comments as our design team is always looking to meet the demands of our users, and we will be sure to pass your review along to them. Thanks for reaching out, and if you have any other questions be sure to give our Customer Service Line a call or fill out a Contact Us Form. All the best

Body TypePetite

5 out of 5 stars.

Superlative

Extremely well refined, comfortable and versatile. Quality 5 stars. Size: size up.

Yes, I recommend this product.

Originally posted on Rho Lightweight Bottom, 2022-2023

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Fits:, 2 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Quality of Product, 5.0 out of 5

Body TypeAthletic

5 out of 5 stars.

Excellent fit and comfort

I bought these recently, but can confidently say that this is the best pair of active bottoms I’ve ever had. They fit perfectly over the hips and sit comfortably on the waist. I usually struggle with high waisted bottoms because they are always too loose around my narrow waist and being fairly tall (5”9) mid-waists just don’t work for me. So this pair fits like a glove, offers good compression and stays put perfectly. This might be slightly unorthodox but I use these pants for winter trail running - I love the soft brushed interior that gives just enough warmth during lower temperatures. But if I were to go skiing, I’d happily wear these as a base layer, they feel very smooth.

A: Winter trail

Yes, I recommend this product.

Originally posted on Rho Lightweight Bottom, 2022-2023

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Quality of Product, 5.0 out of 5

Body TypeAthletic

1 out of 5 stars.

Not made for ANY activity….

I bought my RHO LT bottoms back in March. Up until this week, I had just worn the tights for lounging or the occasional errand; very light wear. They were so comfortable, I was even considering ordering another pair. Thank goodness I didn’t. For the first time, I wore the pants for actual activity. The first time….and I didn’t make it even halfway up the trail when I got a large hole right in the backside (i.e. my butt). Thank goodness I had a jacket to tie around my waste. What extreme activity had I been doing when the hole occurred? I’d been sitting down. Sitting. It didn’t snag or get caught. Just the light friction from sitting down caused the hole. It was a very uncomfortable 8 miles after that. Since it’s advertised as, “Versatile high performance designs for diverse activities and conditions,” sitting on a rock and sipping water should not have done this. Tights that claim to be, “High performance, minimalist design that is durable for its weight,” should not do this after ONE hike. One! $100 for 6 months of wear. Not worth it. Back to NorthFace I guess.

No, I do not recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Quality of Product, 1.0 out of 5

Response from Arc'teryx:

Customer Service

Hi there, Thank you for reaching out to Arc'teryx with your feedback on the Rho LT Bottom Women's . We're sorry to hear about the durability issues you have come up against with your product. We appreciate your comments as our design team is always looking to meet the demands of our users, and we will be sure to pass your review along to them. We notice you have started a Product Service Request, and once our Product Service Team is able to get ahold of your case we hope to come to a suitable solution with you. If you have any additional comments or concerns, please feel free to contact our Customer Service Line at 1-866-458-2473 (available Monday-Friday 8:00 AM- 5:00 PM PST), and one of our representatives would be glad to chat with you. All the best.

1 out of 5 stars.

Poor quality control and no customer service

After two washes the stitching already became fussy. Zipper broke on my third wear. I babied them like no other bottoms (washed inside out, lined dry). They're the worst quality item I've gotten from Arc'Teryx, and I've tried reaching out to customer service twice in the past month with no response. I've had my rho top for ten years, still looks like new, but the new ones just can't compare.

A: POOR QUALITY

No, I do not recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Fits:, 4 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Response from Arc'teryx:

Hi there, Thank you for reaching out to Arc'teryx with your feedback on the Rho LT Bottom. We're sorry to hear about the durability issues you have come up against with your Rho LT Bottom. We appreciate your comments as our design team is always looking to meet the demands of our users, and we will be sure to pass your review along to them. We notice you have started a Product Service Request, and once our Product Service Team is able to get ahold of your case we hope to come to a suitable solution with you. If you have any additional comments or concerns, please feel free to contact our Customer Service Line at 1-866-458-2473 (available Monday-Friday 8:00 AM- 5:00 PM PST), and one of our representatives would be glad to chat with you. All the best

Body TypeAthletic

5 out of 5 stars.

My perfect base

Best base layer ever! These are so soft and stretchy, without feeling compressive. They are notably warmer than most leggings. Great waist band. I love the high waist for coverage under my ski pants, there’s never a layering gap. I’m even loving these as stand alone winter running tights, they’re surprisingly cozy on their own. They do not budge, slide or roll down. The fabric and stitching catches really easily on velcro. Fantastic leggings.

A: Skiing, running, xc ski

Yes, I recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Update: Bought 3 pairs of these part way through ski season. All of them had holes by spring, despite proper care. The 2 green pairs had identical holes in the seam near the crotch, making me think it was a stitching/ quality issue.

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Body TypeAthletic

5 out of 5 stars.

A must have

Got these because merino wool always became itchy on my sensitive skin after a day of wearing them. These are absolutely amazing! The are as warm if not warmer than merino and way more comfortable - it's a buttery soft fabric. I got a size S and I am 5'4'' and 120lbs (got XS for the top I'm a 34B fits perfect). I could have fit in the XS but the S fits good! I am short but these fit right above the ankle and I love that. Must have if you like cold weather activities like skiing ! (Love to layer these with the Rho AR for extra warmth at -20 to -30 celsius.

A: Soft, warm, quality

A: Skiing, hiking, leisure

Yes, I recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

5 out of 5 stars.

Soft and comfortable

This is a great base layer that I am sure I will wear often throughout the winter season here in Illinois. Pants are super soft inside, yet not bulky at all. They have enough stretch and the nude/pink color is simply beautiful. For reference I am 5’4 and 130 lbs and size small fits perfectly.

A: Soft, comfortable, next to skin

A: Walking, hiking, winter sports

Yes, I recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Body TypeAthletic

5 out of 5 stars.

Exactly what I was hoping for

I bought these pants in size S (ref - am 5'7 115lbs active), fit is not too tight and alllows room, but close enough to layer up. Feel is good, easy to move in, warm. I recommend.

A: hiking, skiing

Yes, I recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

5 out of 5 stars.

Comfortable and soft

I can’t believe how soft they are on the inside against my skin. My skin can’t handle some fabrics from a rash I have on my tights but I can wear these pants all day. Just wear them as tights around town. Thank you so much for making this! Please bring back in navy blue and if you can make another pair without the zip pockets on the side to dress it up a bit. Referred to a friend and she bought it in the green XS size and also love it!

A: Remove the side pocket

A: Day to day, snowboarding

Yes, I recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

2 out of 5 stars.

Fabric tore in the first week

I fell in love with these but unfortunately when I went to adjust them they tore at the front of the thigh. My finger basically went right through the fabric, I was pretty shocked, I’d only had them for about a week. Wonderful product but I’m not sure I can say anything good for how it holds up. I’ve contacted warranty so we will see how it goes. Other than that best base layer I’ve tried. So soft against the skin and really retains heat.

Yes, I recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Response from Arc'teryx:

Hey there, Thank you for reaching out to Arc'teryx with your feedback on the Rho LT Bottom. We're sorry to hear about the durability issues you have encountered with your new product. Your comments are appreciated and crucial to ensuring we are designing equipment that meets the needs and expectations of our wearers, and we will be sure to pass your comments along to our design team. For the issue you are experiencing, be sure to fill out a Product Service Request Form to see where our Product Service Team can help further: https://arcteryx.com/ca/en/help/product-service/service-request/ If you have any additional comments or concerns, please feel free to contact our Customer Service Line at 1-866-458-2473 (available Monday-Friday 8:00 AM- 5:00 PM PST), and one of our representatives would be glad to chat with you. All the best

5 out of 5 stars.

Great base layer

Perfect for staying extra cosy on a cold day and don't restrict mobility. High waist that's comfortable and fits well under a harness.

Yes, I recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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5 out of 5 stars.

Soft and warm

Warm base layer for cold temperatures, during cool weather around 5C I even wore it on its own, it looks and feels perfectly fine as a stand alone piece. I really love the soft texture as my skin is too sensitive to wear very common merino base layers comfortably. My partner also loved them and wanted a pair, but unfortunately, his size has been sold out forever now.

A: everyday, hiking

Yes, I recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

5 out of 5 stars.

Perfect light weight layer

I have worn these just about every day for the entire winter as my base layer for teaching skiing. The fabric is soft, cozy and keeps my legs and back side at a perfect temp all day. I have used them under shelled pants in wet and dry conditions as cold as 10 degrees F to as warm as 45Degrees F, and have been comfortable in that entire range of temps. I wash warm and dry cool in machine. I have also hung them to dry with good results.

A: fabric, comfort in the fit

A: alpine skiing

Yes, I recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

5 out of 5 stars.

Comfort at it's best

These were exactly what I was looking for. I needed a base layer to wear under pants in the colder weather. These are perfect. They are light weight yet still provide that extra layer of warmth. I needed something that didn't feel bulky. So far I am very happy with them. I love Arcteryx products.

A: Winter activities

Yes, I recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Porterville, ca

5 out of 5 stars.

Does exactly what it says

Bought this for my gf for Christmas along with the matching top. She absolutely loves it. Uses them weekly as a base layer under her uniform for work. 4 months later no sign of wear or tear .

Yes, I recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Incline Village, NV

Body TypeAthletic

5 out of 5 stars.

SO SOFT!

These are the softest underlayers I own! I live in my long johns during winter and these make long days on the hill comfortable from start to finish.

A: soft, breathable, comfortable

A: not super warm

A: splitboarding, snowboarding

Yes, I recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

5 out of 5 stars.

Second Skin!

These pants fit true to size. If you have larger thighs you may want to purchase a size up. Super comfy soft and stretchy. Honestly like a second skin! I wear them alone or as a base layer under second pants whenever it's cold.

Yes, I recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Body TypeAthletic

5 out of 5 stars.

Soft, warm, quality

I love these pants. I have not tried them out in the cold yet, but they are so super soft and cozy. I'm 5'6" 123 lbs and originally bought the xs, which did fit but I wanted to make sure I could gain a little extra weight and still be comfy. The small fits fine but I am a little concerned I may have to pull them up frequently when hiking/walking. I'm gonna keep it anyway.

A: Hiking/Backpacking/Climbing

Yes, I recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Fits:, 4 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

Body TypeAthletic

5 out of 5 stars.

So comfy but with great performance!

These Rho LT Bottoms were so much more than I'd expected. They're breathable yet still feel warm, they fit perfectly, and the stitching is perfect. I'm so pleased with these leggings! Well-worth the $, and glad that the waste isn't too large––this was my major apprehension since the bottoms don't have a synch strap and I was between the M and the L, size-wise.

A: Lightweight yet warm

A: Running, hiking

Yes, I recommend this product.

Originally posted on Rho LT Bottom, 2016-2021

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Fits:, 3 out of 5, where 1 equals to Fits Very Small and 5 equals to Fits Very Large

9 – 38 of 58 Reviews

Rho Bottom

rating 4.2069 out of 558 Reviews

Performance base layer for lower output activities in cool to cold temperatures.

The Rho Bottom was previously the Rho LT Bottom.

€100.00

Colour:Stratus

Size:

Sizing chart & Fit guide

Delivery

Free shipping & Free returns

In-store pickup

Product details

Rho Bottom Women's

Lightweight, effective, and comfortable, the Rho is your base layer for low and medium output on cold days. The odour-resistant Torrent™ microfleece fabric is made with wicking yarns and has an exceptionally soft brushed interior. Elastane fibres add stretch and work with the articulated patterning and gusseted crotch for freedom of movement. The waistband is designed for comfort and easy layering, and a smart thigh pocket stashes a smartphone.

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Rho

Thermally efficient base layer with excellent moisture management properties. Has stretch comfort.

Breathable material

Allows moisture vapour to escape, helping regulate temperature and elevating comfort inside garment.

Synthetic fibre

Engineered materials that offer enhanced properties or performance.

Multi-use

Versatile high performance designs for diverse activities and conditions.