Smartwool Classic All-Season Merino Boxed Long Sleeve Base Layer - Men's - Iron Heather

Smartwool Classic All-Season Merino Boxed Long Sleeve Base Layer - Men's - Black

Smartwool Classic All-Season Merino Boxed Long Sleeve Base Layer - Men's - Fern Green

Smartwool Classic All-Season Merino Boxed Long Sleeve Base Layer - Men's - Twilight Blue Mountain

Smartwool Classic All-Season Merino Boxed Long Sleeve Base Layer - Men's - Nival Blue

Smartwool Classic All-Season Merino Boxed Long Sleeve Base Layer - Men's - Marmalade

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131 Reviews

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Reviews (131)

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Robert A.

15/01/24

Excellent base layer

The sizing seems true, size large fit will 6ft, 195lb. It is light weight yet warm while not adding bulk. I really like how it feels and sits under other layers. I will likely be buying more of these.

Nic

13/01/24

The best !!!!!

I absolutely love this simple merino base layer : whether for a long day outside in the cold or a long day in the office, this long sleeve short has got you covered! It's light weight, super soft and not too warm. The fit is a little small, but not enough to make me size up. That said, if you're looking for a baggy look, definitely size up. I woul...Read More

d highly recommend it. Read Less

Erick H.

17/03/25

Nice fit, finish and is warm

Keeps me warm, it’s comfortable and fits really well.

James D.

16/03/25

Great base layer

Good amount of warmth without being too much, and doesn’t get smelly. Fits well.

Henry F.

03/02/25

Perfect base layer.

I needed a flexible long sleeve base layer for all of the winter dog walking I do. I loathe to wear heavy coats while hanging out with my pal Bosley, especially if we’re doing some trick training or going on an extended outing.

I did a lot of research and decided on the All-Season Merino instead of the Winter version and it’s been great -...Read More

I can layer with a Merino hoody and vest for really cold days and still feel unrestricted. Size is perfect for a slightly shorter, stockier guy like myself. Recommended! Read Less

Stuart H.

31/01/25

Great shirt

Nice long sleeves and very warm as an under layer. Not as thick as my other smart wool shirts which I was initially disappointed about but am fine with now because it is quite warm.

shuai j.

30/01/25

Great base layer

Thin and light, with good warmth. I wouldn't say it's great for Canadian winter. But should be good enough for most of the year.

Christian P.

29/01/25

The quality was good just didnt fit me well

I had high hopes for this shirt and thought the quality was good and no issues with the manufacturing; however, it did not fit me the way I liked

Bryan M.

29/01/25

Fits like a glove

I was a bit worried about wearing something snug. But the comfort makes me forget all about that when wearing it. No pinch points. Effective and I layer up as needed.

Caroline D.

24/01/25

Classic All-Season Merino Boxed Long Sleeve Base Layer - Men's.

This is a great base layer, comfortable, breathable and warm. Fit is great.

Smartwool

Classic All-Season Merino Boxed Long Sleeve Base Layer - Men's

CAN $114.99

131 Reviews

Color: Iron Heather

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Enjoy four seasons of great comfort, durability, and fit with our Men's Classic All-Season Merino Base Layer Long Sleeve.

This year-round performer features our All-Season-weight Merino jersey fabric with a nylon core to increase durability while still keeping 100% soft Merino wool next to skin. Its shoulder and seam construction is designed to help minimize chafing while wearing a pack, and new select colorways feature a more responsible plant-based-dye technique. Gear up to go farther on every pursuit with this base layer.

• Our slim fit is intended to follow the contours of the body
• Our lightweight Merino jersey fabric uses a recycled nylon core to increase durability while still keeping 100% Merino wool next to skin
• Flatlock seam construction and offset shoulder and side seams designed to increase comfort and minimize chafing
• Side seams wrap to front for body-enhancing fit

Materials
• 88% Merino Wool, 12% Nylon. Exclusive of Decoration

Care
• Machine wash warm gentle cycle
• Wash with like colors
• Do not bleach
• Do not dry clean
• Tumble dry low
• Cool iron as needed
• Do not iron decoration

Specifications

Material	Merino Wool
Baselayer Weight	Lightweight (150 - 200)
Sleeve Length	Long Sleeve
Style	Crew
Fit	Slim
Eco-friendly	Recycled Responsible Wool

Availability:

Canada Only

Availability:

Canada Only

Reviews 4.8 star rating 131 Reviews

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Classic All-Season Merino Boxed Long Sleeve Base Layer - Men's

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Specifications