96% Pima Cotton, 4% Elastane Machine Wash Cold With Like Colors Tumble Dry Low Remove Promptly Do Not Bleach Slim fit Fitted through the body Ultra soft pima cotton that contains a SeaCell fiber made from seaweed and sustainable wood pulp for ultimate comfort and performance A slightly cropped crewneck designed to move. This long-sleeve is made with SeaCell™ stretch jersey that offers 30+ UPF coverage and feels exceptionally soft on the skin.