How to Choose Base Layers
Smartwool Classic All Season Merino Long-Sleeve Base Layer Top - Men's
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An all-season favorite, the men's Smartwool Classic All Season Merino long-sleeve base layer top can be sported as a base layer for fall-weather activities or worn on its own for summer backpacking.
Shop similar products- Core-spun technology wraps merino wool around a nylon core for extra durability while still keeping the comfort of ultrasoft merino wool next to your skin
- Flatlock seam construction is designed to minimize chafing
- Smartwool slim fit is intended to follow the contours of the body
- Closeout
Imported.
View the Smartwool Classic All Season Product LineView all Smartwool Men's Base Layer Tops| Best Use | Multisport |
|---|---|
| Shirt Type | T-shirt |
| Fabric | 77% merino wool/23% nylon |
| Underwear Weight | Lightweight |
| Sleeve Length | Long Sleeve |
| Gender | Men's |
Smartwool Clothing - Men's
| S | M | L | XL | XXL | |
|---|---|---|---|---|---|
| Chest | 36 - 38 | 39 - 41 | 42 - 44 | 45 - 48 | 49 - 51 |
| Sleeve Length | 31 - 32 | 32 - 33 | 33 - 34 | 34 - 35 | 35 - 36 |
| Waist | 29 - 31 | 32 - 34 | 34 - 37 | 38 - 40 | 41 - 44 |
| Hip | 36 - 38 | 39 - 41 | 42 - 44 | 45 - 48 | 49 - 51 |
| Inseam | 30 - 31 | 31 - 32 | 32 - 33 | 33 - 34 | 34 - 35 |
Sizing Notes
Measurements are stated in inches.
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Location:WA
Age:55–64
2 days ago
Comfy and light
Yes , I recommend this product
I’ve only worn it once, but it is just the right level of warmth hardly noticeable because it’s so thin so it’s very comfortable against the skin
Age:55–64
Location:Naperville IL
Age:45–54
2 days ago
Not as soft as other smartwool baselayers
Yes , I recommend this product
Great, but not as soft as their warmer 100% wool, or the ultra lightweight but decent mid weight.Little scratchy. Don’t like the pattern but I got it on clearance 60% off, so worth it.
Age:45–54
Location:Oklahoma
Age:65–74
1 year ago
A new favorite
Yes , I recommend this product
My new favorite wool layer. It has been incredibly cold so I'm using it almost al the time. I also like the tied dye.
Age:65–74
Location:Texas
Age:45–54
5 months ago
Great product
Yes , I recommend this product
XL is a great slim fit at 6'6" 215 lbs. This smartwool works for a wide range of temperatures.
Age:45–54
Location:Seattle, WA
Age:55–64
1 year ago
Great choice for a base layer top.
Yes , I recommend this product
Super soft and lightweight wool base layer. Would definitely buy again.
Age:55–64
Age:55–64
1 month ago
Lightweight warmth
Nice light shirt for layering.
Age:55–64
1 year ago