The Under Armour Boy's UA Base™ 2.0 Leggings are built for cold weather and high activity levels. They use a unique pattern that's designed to trap heat without adding bulk. A soft, brushed grid interior traps air against your skin, closely managing your body's microclimate to keep you warm and comfortable. The Under Armour Boy's UA Base™ 2.0 Leggings feature 4-way stretch construction that allow you move better in every direction.

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