Men's Base Layers

Warmth starts next to skin. Our men's base layers include merino and thermal tops and bottoms that wick sweat and hold heat on cold days on the mountain.

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About Mountain Sports Men's Base Layers

Shop men's base layers for skiing, winter hiking, hunting and cold mornings. Find merino wool and synthetic crews, quarter zips and base layer bottoms in light to expedition weights from Smartwool, Terramar and more. Add a warm layer from men's hoodies & sweatshirts, then top it off with men's jackets & vests, and don't forget men's socks. Mountain Sports offers a full range of men's cold-weather layers.

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Our story

Someone who's been there

Ask about a trail, a tent or a fit, and a person who uses the gear writes back.

Picked, not just stocked

We carry the brands we trust on our own weekends outside.

Easy if it's not right

Free 30-day returns, and help finding the one that is.

Free shipping over $150

Shipped nationwide since '96. Some exclusions apply.