UA Base 2.0 is built for cold weather and high activity levels. It uses a unique pattern that's designed to trap heat without adding bulk. Think long underwear, revamped for today's top athletes. DNA DNA Product Details UA BaseTM 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 keep you warm & comfortable Material wicks sweat & dries really fast 4-way stretch material moves better in every direction Specs Specs Product Specifications Style #: 1343321 Raglan sleeves 81% Polyester/19% Elastarell Imported Fit & Care Fit & Care Fit & Care Fitted: Streamlined fit that’s not too tight or too loose. Machine wash cold with like colors Use only non-chlorine bleach when needed Tumble dry low Do not iron Do not use softeners Do not dry clean