GearX Women's Long-Sleeve Round-Neck Baselayer For All Seasons 92% Polyester / 8% Polyurethane 92% Polyester / 8% PolyUrethane Cold water wash / No bleach / No fabric softener / Hang Dry Fast Dry / Heat and Cold Temperature Protection Antimicrobial technology that reduces odor UV Block / Ultra-Violet ray-Shielding Function