Revamped for this year, the Under Armour UA Base™ 3.0 Crew Top has everything you need to keep yourself warm and dry in even the coldest conditions. Constructed from a polyester elastane blend, an embedded moisture transport system on the UA Base™ 3.0 Crew wicks away sweat and dries fast. Plus, 4-way stretch gives you full range of movement. When you're on the mountain the last thing you want to be thinking about is whether or not your baselayers are doing their job. Snag yourself the Under Armour UA Base™ 3.0 Crew Top and get out there.