The Under Armour Base 1.0 Crew is built to keep you warm in cooler temperatures. This isn't your Grandpa's long underwear. It will help you stay warm and dry, without being weighed down.

The Base 1.0 Legging is designed to be worn under your outer layer. Lighweight ColdGear grid fabric construction provides exceptional temperature control and moisture transport via heat-trapping interlocking channels. Ergonomically placed flatlock stitching enhances mobility and functionality.

100% 2.7 oz PolyArmour

Armourblock: neutralizes the microbes that cause odor before there's any odor at all. The result: moisture transport with maximum scent suppression, so even though you've been on the lake all day, you don't smell like it.

ColdGear: For when it's cold. Keeping you warm, dry, and light. Ideal use: Temperatures under 55 degrees F. ColdGear features a double-sided fabric that wicks moisture from the skin and circulates body heat. It accomplishes the impossible by keeping athletes warm without weighing them down.

For a warmer base crew, try the Under Armour Base 2.0 Crew.

Chest 36" 38-40" 42-44" 46-48" 50-52"

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