Buy Under Armour UA Base 2.0 Baselayer Crew Top - Black by Under Armour for only $54.99 at M2 Sports. Product Description - These aren’t your grandpa's long underwear. UA took the thermal and rebuilt it to work for athletes that take their game off-road. The unique negative grid traps monster warmth without adding excess weight and the smooth exterior allows easy layering. UA Base™ 2.0 is our most versatile thermal, built for any outdoor athlete. From running to hunting, the hill to the field, UA Base™ 2.0 has you covered with lightweight warmth. - FITTED: Sits close to the skin for a streamlined fit without the squeeze of compression.- UA Base™ 2.0 is highly versatile mid-weight protection for colder conditions and a variety of activity levels- Soft, brushed negative grid interior traps hot air, providing superior warmth- 4-Way Stretch fabrication allows greater mobility and maintains shape- Signature Moisture Transport System wicks sweat away from the body- Quick-dry fabrication keeps you light and comfortable- Anti-Odor technology prevents the growth of odor causing microbes- Raglan sleeve construction and flatlock stitching allow a full range of motion without chafing- 4.7 oz. Polyester/Elastane As always all orders over $75 ship at no charge with no hassle returns and warranty.