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  • 4 4 5.5 4ZM3.5 4C3.22386 4 3 3.77614 3 3.5C3 3.22386 3.22386 3 3.5 3C3.77614 3 4 3.22386 4 3.5C4 3.77614 3.77614 4 3.5 4ZM1.5 4C1.22386 4 1 3.77614 1 3.5C1 3.22386 1.22386 3 1.5 3C1.77614 3 2 3.22386 2 3.5C2 3.77614 1.77614 4 1.5 4ZM2.5 5C2.22386 5 2 4.77614 2 4.5C2 4.22386 2.22386 4 2.5 4C2.77614 4 3 4.22386 3 4.5C3 4.77614 2.77614 5 2.5 5ZM4.5 5C4.22386 5 4 4.77614 4 4.5C4 4.22386 4.22386 4 4.5 4C4.77614 4 5 4.22386 5 4.5C5 4.77614 4.77614 5 4.5 5ZM6.5 5C6.22386 5 6 4.77614 6 4.5C6 4.22386 6.22386 4 6.5 4C6.77614 4 7 4.22386 7 4.5C7 4.77614 6.77614 5 6.5 5ZM7.5 6C7.22386 6 7 5.77614 7 5.5C7 5.22386 7.22386 5 7.5 5C7.77614 5 8 5.22386 8 5.5C8 5.77614 7.77614 6 7.5 6ZM5.5 6C5.22386 6 5 5.77614 5 5.5C5 5.22386 5.22386 5 5.5 5C5.77614 5 6 5.22386 6 5.5C6 5.77614 5.77614 6 5.5 6ZM3.5 6C3.22386 6 3 5.77614 3 5.5C3 5.22386 3.22386 5 3.5 5C3.77614 5 4 5.22386 4 5.5C4 5.77614 3.77614 6 3.5 6ZM1.5 6C1.22386 6 1 5.77614 1 5.5C1 5.22386 1.22386 5 1.5 5C1.77614 5 2 5.22386 2 5.5C2 5.77614 1.77614 6 1.5 6Z"

    United States

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  • 4 4 5.5 4ZM3.5 4C3.22386 4 3 3.77614 3 3.5C3 3.22386 3.22386 3 3.5 3C3.77614 3 4 3.22386 4 3.5C4 3.77614 3.77614 4 3.5 4ZM1.5 4C1.22386 4 1 3.77614 1 3.5C1 3.22386 1.22386 3 1.5 3C1.77614 3 2 3.22386 2 3.5C2 3.77614 1.77614 4 1.5 4ZM2.5 5C2.22386 5 2 4.77614 2 4.5C2 4.22386 2.22386 4 2.5 4C2.77614 4 3 4.22386 3 4.5C3 4.77614 2.77614 5 2.5 5ZM4.5 5C4.22386 5 4 4.77614 4 4.5C4 4.22386 4.22386 4 4.5 4C4.77614 4 5 4.22386 5 4.5C5 4.77614 4.77614 5 4.5 5ZM6.5 5C6.22386 5 6 4.77614 6 4.5C6 4.22386 6.22386 4 6.5 4C6.77614 4 7 4.22386 7 4.5C7 4.77614 6.77614 5 6.5 5ZM7.5 6C7.22386 6 7 5.77614 7 5.5C7 5.22386 7.22386 5 7.5 5C7.77614 5 8 5.22386 8 5.5C8 5.77614 7.77614 6 7.5 6ZM5.5 6C5.22386 6 5 5.77614 5 5.5C5 5.22386 5.22386 5 5.5 5C5.77614 5 6 5.22386 6 5.5C6 5.77614 5.77614 6 5.5 6ZM3.5 6C3.22386 6 3 5.77614 3 5.5C3 5.22386 3.22386 5 3.5 5C3.77614 5 4 5.22386 4 5.5C4 5.77614 3.77614 6 3.5 6ZM1.5 6C1.22386 6 1 5.77614 1 5.5C1 5.22386 1.22386 5 1.5 5C1.77614 5 2 5.22386 2 5.5C2 5.77614 1.77614 6 1.5 6Z"

    United States

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Proton SL Hoody Men's
€260.00

Proton SL Hoody Men's

New colourFair Trade Certified

Rating Distribution

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121 reviews with 5 stars.
26 reviews with 4 stars.
6 reviews with 3 stars.
6 reviews with 2 stars.
3 reviews with 1 star.

Overall Rating

4.6
128 out of 141 (91%) reviewers recommend this product

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Rating Summary

warmth
fit
satisfaction
comfort
fabric weight
layering
purchase
wearing
69 to 98 of 162 Reviews
69 – 98 of 162 Reviews
Denver, Colorado
Age25 to 34
GenderMale
Body TypeAthletic
5 out of 5 stars.

Excellent piece for high output activity!

2 years ago
Big fan of this jacket. It offers enough durability and warmth for Colorado hikes in Spring, Summer, and Fall.
Q: Pros:
A: Breathable and durable
Q: Cons:
A: Sleeves slightly baggy
Q: Activity
A: Hiking

Yes, I recommend this product.

Originally posted on Proton FL Hoody, 2019-2022

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Norway
Age45 to 54
GenderMale
Body TypeSolid
5 out of 5 stars.

My favourite jacket for spring and fall hiking

2 years ago
I've used the Proton FL for many years. Upgraded to the revised model this season. Great jacket when you need a little warmth and protection from the wind. This is my go-to jacket for hiking in the spring and fall. The Proton FL has excellent breathability, and the fleece liner wicks away moisture and provide warmth without becoming to hot. Great next to skin feeling.
Q: Pros:
A: Breathable and blocks wind
Q: Activity
A: Hiking, trailrunning

Yes, I recommend this product.

Originally posted on Proton FL Hoody, 2019-2022

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Folsom, CA
Age35 to 44
GenderMale
Body TypeAthletic
5 out of 5 stars.

Great style and function

2 years ago
I’ve worn this as a casual light jacket and a mid-layer on an alpine climb. Works great in both situations, fits nicely, and looks awesome.
Q: Pros:
A: Fit, lightness, chest pocket size

Yes, I recommend this product.

Originally posted on Proton FL Hoody, 2019-2022

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Body TypeSolid
5 out of 5 stars.

Best jacket I’ve ever owned

2 years ago
The inside is so fluffy, breathable, and feels so comfy next to skin. It’s good looking and is an effective mid-layer or stand-alone jacket. I love how versatile it is and is my go-to jacket for all weather under 70 degrees and >40.

Yes, I recommend this product.

Originally posted on Proton FL Hoody, 2019-2022

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MA
Age35 to 44
GenderMale
1 out of 5 stars.

Second Arc’teryx jacket where zipper fell off

2 years ago
Second jacket where zipper completely ripped off its tracks in wash. Disappointed and done with it. Sorry arc’teryx. On to another brand.

No, I do not recommend this product.

Originally posted on Proton FL Hoody, 2019-2022

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Response from Arc'teryx:
2 years ago
Customer Service
Hello Nate, Thank you for reaching out to Arc'teryx with your feedback on the Proton FL Hoody Men's . We're sorry to hear about the materials/durability issues you have encountered with your Proton FL Hoody Men's . 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.
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Age45 to 54
GenderMale
Body TypeSlim
1 out of 5 stars.

Not for any kind of real alpine.

2 years ago
One fact: Even though I've been buying, wearing and abusing mountain gear for nearly 40 years, I'm still not smart enough to avoid making big mistakes like this, yet. The only thing I can say is that this Proton FL Hoody is completely useless for activities such as winter ice, alpine ice, or high mountain rock. Completely useless as a mountaineering garment, in short. Nobody expects miracles, every fabric has its limits, but in the case of the Proton FL the resistance to abrasion, puncture and tearing is simply none (much lower than a Gamma SL Hoody, for example). Moreover, although it breathes quite well, when designing it, the mistake was made of not knowing how to find the balance between breathability and protection against the wind. It doesn't cut the wind much more than a laminated fleece like a Powerstretch, for example. Furthermore, as a middle layer, and as another person has written here, 250 EU would be absurd, added to the fact that despite being a combination of insulation plus a shell, it provides less heat than a Delta LT, for example. It might be a great running hoody, but that's about it. Nice? very nice. Mine in Conifer is very pretty, but that's about it. Basically, the mistake is mine, but... Regards
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Q: Pros:
A: Nice
Q: Cons:
A: All
Q: Activity
A: Alpine climbing, hiking, bushcraft

No, I do not recommend this product.

Originally posted on Proton FL Hoody, 2019-2022

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Response from Arc'teryx:
2 years ago
CS
Hi there, Thank you for reaching out to Arc'teryx with your feedback on the Proton FL Hoody. We're sorry to hear about the performance issues you have experienced with your jacket and that it does not suit your needs. 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. If you have any additional comments or concerns, please feel free to contact our Customer Service Line, and one of our representatives would be glad to chat with you. All the best
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I wanted to find the best fitting Arcteryx jacket that I could use primarily for hiking in 35-65 degree weather. I tried the Atom LT, Atom SL, and Proton LT ranging between size M/L. I'm 6'3, 190lbs, 32W with broad shoulders/chest so finding the right size was difficult. Most of the larges came out baggy in the midsection/waist while mediums were too trim in the shoulder/chest. The Atom's and Proton LT are all great for different reasons but made me reserve them for lighter activity since I often took them off mid-hikes from running hot. Along comes the revised Proton FL and it's checked the sought after box for me. I took it on a hike in 40 degree weather with a lightweight base layer and I didn't take it off once. The amount of insulation is just right for higher output activities, it'll keep you warm when you need it but won't force you to take it off during a more strenuous uphill. The fit is just where I would want it to be. I can lift my arms and the jacket stays at the hips while the sleeve stays right at the base of your hands. It's trimmed down through the midsection (which may be different than prior versions) and with a backpack, it doesn't out of place. I've used it on lighter walks in the cold and sat in it directly in the sun, never once needed more or less. I haven't tried it in warmer climate yet but I'm so happy with the performance I felt like it deserved a review. Think Arcteryx knocked it out of the park with this one. p.s. I bought the Conifer color way and it is different in person than online. It's more of an darker alpine green with a pistachio colored trim. Liked it way more in person than I thought I would.
I’m an XL in all things Arc’teryx. Given the black colourway sold out so fast in my size, I thought I’d try the ‘size up’ option and went with the last XXL. It didn’t work out for me. The biggest reason? The cuffs. XL Arc’teryx gear typically sits exactly where I want it to on my wrist (just below my watch). The arms on the XXL Proton are longer, which is to be expected, but I was not expecting a redesign to a looser cuff. The new cuffs would not stay in place as nicely as they do on my Atoms, and I was left rolling up the sleeve one or twice - yeah, not a long term solution. Sure m, they’re easier to shove up your forearm, but I can still do that on my Atom without much trouble. I’d implore Arc’teryx to move back to a snugger cuff in the next redesign. I also tried wearing the XXL with a Heavy sweater and then a Fortrez hoody underneath to see how that worked, as I liked the idea of being able to layer. I was surprised to see there was still a lot of room all over. I could have fit my Atom LT underneath. I haven’t worn L Arc’teryx in awhile, so it’s hard to comment, but I’m left wondering if there is a bigger size gap between XL and XXL than there is between, say, M and L. Anyways, that’s my word of caution if you’re considering sizing up. Your mileage may vary. And as far as the rest of the jacket goes? Awesome. Great materials, nice finishing, and the Octa-Loft is great next to the skin. Really great.
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Ontario
Age55 to 64
Body TypeAthletic
5 out of 5 stars.

Simply the best

3 years ago
Had the Proton FL for about a year now. This amongst the pile of other Arcteryx gear. Have to say, it has to be my favorite piece. This Octaloft insulation is pretty incredible. I wear it mostly as a standalone (thin baselayer underneath), favoring Spring and Fall hiking. The breathability is outstanding. For how thin it actually is, so is the warmth. It handles some wind but a cold gust will get through it, hence the tradeoff with breathability. But a thicker baselayer remedies this quite well. It handles light rain, but won't do a downpour, so have a shell at the ready if that's going to happen. It also does double duty as a good mid-layer in cold, under a goretex shell, again, allowing good moisture management and remarkable insulation. For my hiking in dry conditions with temps 12 degrees Celcius and down to about zero, it's The first thing I reach for and I am blessed with allot of other options. It's a phenomenal piece of gear, with fit/finish top notch. Tip: if you have to pack it down for storage, it may unfold with some wrinkles. Easy fix, spray some clean water on the fabric, put it in the dryer for 10 min and all smooth again.
Q: Activity
A: Hiking

Yes, I recommend this product.

Originally posted on Proton FL Hoody, 2019-2022

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California, Sierra
Age35 to 44
GenderMale
Body TypeAthletic
5 out of 5 stars.

Great all around jacket

3 years ago
I love this jacket, extremely light but has decent warmth and can breath unbelievable.
Q: Pros:
A: Fit,value,comfort
Q: Cons:
A: Good needs to be fully lined
Q: Activity
A: All around

Yes, I recommend this product.

Originally posted on Proton FL Hoody, 2019-2022

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Toronto
Age25 to 34
GenderMale
Body TypeAthletic
5 out of 5 stars.

Great spring/summer midlayer

3 years ago
My preferred mid layer for the spring and summer. Packs down well and doesn't take up much space in your pack. Breathability is great! It really helps to regulate my temperature during various activities (climbing, biking, spring snowboarding, etc.) The two chest pockets and the low profile hood are also a nice touch.
Q: Pros:
A: packs well, temp. regulation, fit
Q: Activity
A: climbing, hiking, spring backcountry touring

Originally posted on Proton FL Hoody, 2019-2022

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69 – 98 of 162 Reviews
Proton SL Hoody
rating 4.5828 out of 5163 Reviews

Climb comfortably in our lightest, most breathable fully insulated hoody.

The Proton SL Hoody was previously the Proton Lightweight Hoody.


€260.00

Colour:Dynasty


Free shipping & Free returns


Proton SL Hoody Men's

The lightest, most breathable option in our Insulation Collection, the Proton SL Hoody takes the guesswork out of warming up on cold climbs and other high-output activities in cool conditions. The knit insulation holds its loft and shape—no matter how often you stuff it into the bottom of your pack. More importantly, it allows your body to breathe, so you’re not left a sweaty mess after you have to step on the gas to get through the crux.

What's been updated: Updated with recycled Fortiusâ„¢ fabric for improved durability, and chest pocket and design lines that align with the Proton Collection.

Need a heavier option? Try the Proton Hoody.

Proton

Air permeable mid layer insulation with abrasion and weather resistant outer surface.

Superlight

Superlight materials and design, emphasizing lightweight and packability over durability.

Fair Trade Certifiedâ„¢

Produced in a Fair Trade Certified facility. Building worker well-being into our product DNA.

Multi-use

Versatile high performance designs for diverse activities and conditions.

Articulated construction

Articulation removes restriction, so we utilize complex patterning and seam placement to create three-dimensional designs that free you to move.

Synthetic insulation

Synthetic insulation provides warmth even when wet. Abrasion-resistant and quick-drying, it delivers comfort and performance in demanding conditions.