Features of the Marmot Women's Cabrillo Long Sleeve Top Sun protection with an ultraviolet protection factor (UPF) of 50 Lightweight, breathable and quick drying Raglan sleeve for comfort and increased range of motion Stretch-knit for increased mobility Shirttail hem with drop-tail back for increased coverage Fabric Details 94% Polyester, 6% Elastane Engineered Jersey Knit