icebreaker Men's Base Layer
24 products
Wear these super-soft tops and bottoms over underwear as your insulating layer. Choose from a range of fabric weights - the heavier it is, the warmer you'll fill. Fit also affects warmth. Wear your base layer snug to feel extra cozy.
320 - 380 Heavyweight - Built to keep out the coldest conditions.
240 - 280 Midweight - Best suited for cold conditions.
200 - 230 Lightweight - Best suited for moderate to cool conditions.
150 - 170 Ultralight - Versatile all season performance.
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