DETAILS Fabric has a smooth face and soft, brushed grid backing Grid backing wicks away sweat and moisture, dries fast and traps warmth Highly versatile base layer with Polygiene permanent odor treatment Rib-knit neck with internal tape for comfort; locker loop for hang-drying Offset shoulder seams and chafe-free flatlock seams for all-day comfort Full underarm gusset for range of motion; elastic thumbholes for hand coverage SPECS Best Use:    Hiking, Biking, Climbing Fabric:   93% Recycled Polyester / 7% Polyester Underwear Weight:    Midweight Fit:   Regular