All-new Vertex Speed | Free shipping & returns

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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

New Footwear

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

Shop women’s

Shop men’s

Free returns

Changed your mind? Return eligible items within 30 days. Start a free return.

Mountain Run

Kit essentials to crush steep, technical terrain.

Mountain Run

Kit essentials to crush steep, technical terrain.

Run the climb

The all-new Vertex Speed: for fast movement on steep terrain.

Make It Last

ReBIRD™ makes it easy to take care of your gear.

Mountain Run

Kit essentials to crush steep, technical terrain.

Mountain Run

Kit essentials to crush steep, technical terrain.

Run the climb

The all-new Vertex Speed: for fast movement on steep terrain.

Make It Last

ReBIRD™ makes it easy to take care of your gear.

Ionia Merino Wool Shirt SS Men's
€90.00

Ionia Merino Wool Shirt SS Men's

New colourFair Trade Certified

Rating Distribution

Select a row below to filter reviews.
25 reviews with 5 stars.
3 reviews with 4 stars.
2 reviews with 3 stars.
3 reviews with 2 stars.
0 reviews with 1 star.

Overall Rating

4.5
19 out of 24 (79%) reviewers recommend this product

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Rating Summary

fit
material
comfort
quality
satisfaction
long
purchase
smell
1 to 8 of 33 Reviews
1 – 8 of 33 Reviews
Age35 to 44
GenderMale
Your Height:191cm - 197cm
5 out of 5 stars.

Easy choice for comfort

2 days ago
L fits beautifully with nice length on both the body and sleeves. The light grey is a bit sheer but expected for merino; not an issue with darker colors. Super comfortable as a base.
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5 out of 5 stars.

3rd I own

22 days ago
Fits to size comfortable across temperatures and durable

Yes, I recommend this product.

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0 Comments
5 out of 5 stars.

Merino Base Layer

a month ago
Light, comfortable and warm, everything I look for in a base layer
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0 Comments
5 out of 5 stars.

Tolles Teil

a month ago
Trägt sich sehr angenehm! Mein neues lieblingsshirt
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0 Comments
Jackson, WY
Age25 to 34
GenderMale
Your Height:191cm - 197cm
4 out of 5 stars.

Extendo

2 months ago
The shirt is a little too long (dec/2024). It is not something I will choose to wear as a daily tee shirt but more as a baselayer covered by a sweater or jacket. I don't want to look kooky with the long fitting extendo tee look. The material is thin as well.
Q: Size Purchased:
A: XL
Q: Pros:
A: Thin
Q: Cons:
A: Long
I use this product for:Commuting/Travel, Exercise/Gym, Mountaineering, Casual Wear, Hiking, Ski/Snowboard

No, I do not recommend this product.

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0 Comments
5 out of 5 stars.

Best Wool Shirt on the Market

3 months ago
The Ionia is my favorite wool shirt and it's not particularly close. I've tried several other brands and this one is the best in terms of fit and fabric quality.
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Age25 to 34
GenderMale
Your Height:176cm - 182cm
5 out of 5 stars.

Top T-shirt

6 months ago
Sehr angenehm zu tragen. Ich benutze es beim Klettern und Hochtouren
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I use this product for:Climbing, Mountaineering, Hiking

Yes, I recommend this product.

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Avignon
Age25 to 34
GenderMale
Your Height:183cm - 190cm
2 out of 5 stars.

Pas bon

7 months ago
Malheureusement, l'impression de ce T-shirt est mauvaise. Après un peu de transpiration, des dépôts de sel apparaissent, très visibles sur un tee-shirt noir.
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No, I do not recommend this product.

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Response from Arc'teryx:
7 months ago
Customer Service
Bonjour, nous sommes désolés d'apprendre que le T-shirt en laine mérinos Ionia MC ne répond pas à vos attentes. Pour les vêtements en laine de mérinos, nous recommandons un nettoyage à sec ou un lavage à la main à l'eau froide avec un détergent léger. Nous vous suggérons de visiter notre page web ReCARE pour plus d'information sur l'entretien de nos produits: https://arcteryx.com/ca/fr/help/product-care
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1 – 8 of 33 Reviews
Ionia Merino Wool Shirt SS
rating 4.5152 out of 533 Reviews

Versatile, comfortable wool-blend tee for a wide range of mountain activities.

€90.00
Colour:Void
Size:
Sizing chart & Fit guide
Free shipping & Free returns

Ionia Merino Wool Shirt SS Men's

The Ionia’s performance is innate. Made from Merino wool – a material known for temperature regulation and odour resistance – it’s light, soft, breathable, and responsibly sourced. The construction wraps the wool’s fine-gauge fibres around a nylon core for added durability. The fit is streamlined and comfortable, and the articulated patterning moves with you on hikes, runs, tours, and treks.

Crafted at a Fair Trade Certified facility as part of our commitment to transition 80% of Arc’teryx products to fair trade certification by 2025.

Trail

For technical mountain activities, durable and protective designs with a focus on freedom of movement for remote and varied conditions.

Natural fibre

Textiles made from natural fibres provide inherent benefits and next-to-skin comfort.

Synthetic fibre

Engineered materials that offer enhanced properties or performance.

Fair Trade Certified™

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