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Men's Base Layer Tops

(86 results)
  1. Men's Clothing
  2. Men's Underwear

Choose a base layer that's best for...

Line drawing of a shirt and a hot temperature thermometer

warmer climates or strenuous activity

Ultralightweight
Line drawing of a shirt and a warm temperature thermometer

year-round use & lots of adventures


Lightweight
Line drawing of a shirt and a cool temperature thermometer

changing seasons & various activities

Midweight
Line drawing of a shirt and a cold temperature thermometer

winter, staying warm or moving slowly

Heavyweight