4.8 star rating 39 Reviews
(33) (6) (0) (0) (0)
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- Reviews (39)
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S
Sophie C.
Verified Buyer
5.0 star rating
10/03/25
True to size:
It runs small
True to size
It runs big
True to size:
It runs small
True to size
It runs big
Comfortable base layer for any ski day!
Review by Sophie C. on 10 Mar 2025 review stating Comfortable base layer for any ski day!
Great layer for ski, with enough stretch and no itch! Didn't shrink at wash :)
On Merino 250 Base Layer Long Sleeve Crewneck - Women's|-|Mérinos 250 haut couche de base à manches longues - Femme
J
Jingwen Z.
Verified Buyer
5.0 star rating
10/03/25
True to size:
It runs small
True to size
It runs big
True to size:
It runs small
True to size
It runs big
Very warm
Review by Jingwen Z. on 10 Mar 2025 review stating Very warm
Very warm and great fit. Holding the shape well even after a few washes. Nice base layer for winter activities
On Merino 250 Base Layer Long Sleeve Crewneck - Women's|-|Mérinos 250 haut couche de base à manches longues - Femme
A
Andrea B.
Verified Buyer
5.0 star rating
22/02/25
True to size:
It runs small
True to size
It runs big
True to size:
It runs small
True to size
It runs big
Nice weight
Review by Andrea B. on 22 Feb 2025 review stating Nice weight
First time buying this Altitude line and was pleased with the quality. It has a nice weight to it and seems well made.
On Merino 250 Base Layer Long Sleeve Crewneck - Women's|-|Mérinos 250 haut couche de base à manches longues - Femme
C
Cassandra S.
Verified Buyer
5.0 star rating
20/02/25
True to size:
It runs small
True to size
It runs big
True to size:
It runs small
True to size
It runs big
Amazing Quality, But Not the Right Fit for Me
Review by Cassandra S. on 20 Feb 2025 review stating Amazing Quality, But Not the Right Fit for Me
I really wanted this base layer to work because the material is warm, soft, and the overall fit is great. Unfortunately, I'm very sensitive to clothing that feels "tight," which is a very personal preference. I felt some pressure around the neck, and since this piece was meant for an expedition, I couldn't afford to feel bothered by it. If you’re ...Read MoreRead more about I really wanted this base layer to
not as sensitive to fit, this could be an excellent choice! Read LessRead less about I really wanted this base layer to
On Merino 250 Base Layer Long Sleeve Crewneck - Women's|-|Mérinos 250 haut couche de base à manches longues - Femme
J
Jean-Marc B.
Verified Buyer
5.0 star rating
15/02/25
Grandeur du produit:
Marked Size Down
Marked Fit to Size
Marked Size Up
Grandeur du produit:
Marked Size Down
Marked Fit to Size
Marked Size Up
Très confortable
Review by Jean-Marc B. on 15 Feb 2025 review stating Très confortable
Me va comme un gant et me garde vraiment au chaud
On Merino 250 Base Layer Long Sleeve Crewneck - Women's|-|Mérinos 250 haut couche de base à manches longues - Femme
J
Jennifer S.
Verified Buyer
5.0 star rating
12/02/25
True to size:
It runs small
True to size
It runs big
True to size:
It runs small
True to size
It runs big
Perfect!
Review by Jennifer S. on 12 Feb 2025 review stating Perfect!
Perfect fit and fantastic quality for the best price on the market. I'm already planning to buy another one.
On Merino 250 Base Layer Long Sleeve Crewneck - Women's|-|Mérinos 250 haut couche de base à manches longues - Femme
O
Olivia C.
Verified Buyer
5.0 star rating
10/02/25
Soft and comfortable.
Review by Olivia C. on 10 Feb 2025 review stating Soft and comfortable.
This shirt fits just perfect as an under layer. I'm a small/ x-small and I definitely would have found the x-small to be too small.
On Merino 250 Base Layer Long Sleeve Crewneck - Women's|-|Mérinos 250 haut couche de base à manches longues - Femme
N
Nicole T.
Verified Buyer
5.0 star rating
08/02/25
True to size:
It runs small
True to size
It runs big
True to size:
It runs small
True to size
It runs big
nice!
Review by Nicole T. on 8 Feb 2025 review stating nice!
feels like nice quality, warm, soft material! fits nicely, true to size.
On Merino 250 Base Layer Long Sleeve Crewneck - Women's|-|Mérinos 250 haut couche de base à manches longues - Femme
K
Karen E.
Verified Buyer
5.0 star rating
07/02/25
True to size:
It runs small
True to size
It runs big
True to size:
It runs small
True to size
It runs big
Excellent long sleeve
Review by Karen E. on 7 Feb 2025 review stating Excellent long sleeve
Love this long sleeve top! Perfect for keeping me warm cross country skiing but also looks dressy. Very soft and smooth fabric. Not itchy. Washes up well. No pilling. Sized up from my usual size and I am glad I did as it is form fitting.
On Merino 250 Base Layer Long Sleeve Crewneck - Women's|-|Mérinos 250 haut couche de base à manches longues - Femme
T
Teresa M.
Verified Buyer
5.0 star rating
07/02/25
True to size:
It runs small
True to size
It runs big
True to size:
It runs small
True to size
It runs big
Well made.
Review by Teresa M. on 7 Feb 2025 review stating Well made.
This merino base layer is well constructed and perfect for keeping you cozy during your outdoor adventures as well as providing breathability to prevent overheating. The OEKO TEX certification and Responsible Wool Standard makes me confident that it is ethically made. I am very happy with this purchase and would buy it again
On Merino 250 Base Layer Long Sleeve Crewneck - Women's|-|Mérinos 250 haut couche de base à manches longues - Femme
Altitude Sports
Merino 250 Base Layer Long Sleeve Crewneck - Women's
CAN $129.99
4.8 star rating 39 Reviews
Color:
Black
Size:
XXL
Include our
Lifetime Membership
for $34.99 to save 5% & get free returns
Step out with confidence, knowing you're equipped for any winter challenge.
At Altitude Sports, we embrace the thrill of outdoor adventures in every season. Whether you're hitting the slopes, trekking snowy trails, or simply braving the cold for everyday errands, the Merino 250 Base Layer Long Sleeve Crewneck Top is your perfect ally. Made from luxuriously soft Merino wool, this top ensures optimal warmth and breathability, keeping you cozy without overheating. Pair it with our Merino 250 Base Layer Bottoms to create a seamless cold-weather outfit that delivers exceptional comfort and performance.
Lifetime guarantee
Features
• Fitted cut to be worn under your intermediate or outer layer
• Flatlock seams to minimize chafing
• Lateral seams taken forward for more comfort
• Merino wool is naturally soft, moisture-wicking, temperature-regulating, breathable and odour-resistant
Materials
• Jersey, 100% Merino, 250 gsm, 17.5 Micron
Care
• Machine cold wash
• Do not bleach
• Tumble dry low heat
• Do not iron
Certifications
• Crafted with OEKO-TEX® STANDARD 100-certified materials
• RWS (Responsible Wool Standard)-certified yarn
At Altitude Sports, we embrace the thrill of outdoor adventures in every season. Whether you're hitting the slopes, trekking snowy trails, or simply braving the cold for everyday errands, the Merino 250 Base Layer Long Sleeve Crewneck Top is your perfect ally. Made from luxuriously soft Merino wool, this top ensures optimal warmth and breathability, keeping you cozy without overheating. Pair it with our Merino 250 Base Layer Bottoms to create a seamless cold-weather outfit that delivers exceptional comfort and performance.
Lifetime guarantee
Features
• Fitted cut to be worn under your intermediate or outer layer
• Flatlock seams to minimize chafing
• Lateral seams taken forward for more comfort
• Merino wool is naturally soft, moisture-wicking, temperature-regulating, breathable and odour-resistant
Materials
• Jersey, 100% Merino, 250 gsm, 17.5 Micron
Care
• Machine cold wash
• Do not bleach
• Tumble dry low heat
• Do not iron
Certifications
• Crafted with OEKO-TEX® STANDARD 100-certified materials
• RWS (Responsible Wool Standard)-certified yarn
Specifications
Material |
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Baselayer Weight |
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Sleeve Length |
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Style |
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Fit |
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Eco-friendly |
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Availability:
Worldwide Some exclusions apply
