A sweat-wicking cooling technical t-shirt for summer hikes.Features:- Omni-Freeze™ Zero keeps you cool and dry with sweat-activated blue rings that absorb moisture and enhance evaporation for long-lasting comfort in hot conditions- Omni-Wick™ keeps you dry and cool by pulling moisture to the fabric's surface to evaporate, delivering fast-drying, next-to skin comfort in the heat- Omni-Wick™ on the side panels keeps you dry and cool by pulling moisture to the fabric's surface to evaporate, delivering fast-drying, next-to skin comfort in the heatStay Cool:- Hike through the heat in this crew neck t-shirt with sweat-activated cooling system to keep you feeling cool when temperatures rise.Summer Fresh:- The sweat-wicking fabric and side panels draw moisture away from the skin to keep you fresh, even on tough days.Specifications:- Composition: 100% Polyester. 52% Recycled Polyester, 48% Polyester.