Base Layers

UA Base 2.0 Active Baselayer is lightweight, flexible & breathable for high activity in cool conditions UA Scent Control Technology to keep you undetected in all pursuits Soft, brushed grid interior traps air, managing your body's microclimate to...

Flat seam construction Vertical chest pocket with zipper to secure essentials Quarter zip neck for ventilation control 2 1/4" H collar with wind flap to stop draft and protect chin from zipper abrasion Sleeve with thumb hole Abrasion-reinforced...

UA Base™ 4.0 Extreme Baselayer is our warmest yet, locking in your body's heat to deliver extreme warmth in the extreme cold UA Scent Control Technology to keep you undetected in all pursuits Soft, brushed grid interior traps air against your...

UA Base™ 4.0 Extreme Baselayer is our warmest yet, locking in your body's heat to deliver extreme warmth in the extreme cold   UA Scent Control Technology to keep you undetected in all pursuits   Soft, brushed grid...

Genuine Military Issue Vintage OD Green Sleep Shirt is for heat retentive and moisture resistant, providing that extra layer of protection from the elements when you need it most. Used, in very good condition with minimal wear or discoloration. Metal...

Stay warm and toasty out there with these Waffle Thermals. After the Military decided to quit issuing the Poly-Pros, this is what they replaced them with. The waffles are just as warm as the polypros, without the matting up overtime.  Highly...

  The Base II Zip Pullover is a lightweight base layer meant to keep you warm. Made with quality fleece material that breathes, and sturdy construction that’ll hold together in the toughest situations. • Coyote Tan AR670-1...