Elastic band at base for secure comfortable fitnLightweight and Accommodates long hairnExcellent recreational or fitness swimming capnLycra fabric dries quickly and offers great UV protectionnFabric: 82% Nylon/18% LYCRA Spandex blendnSix month manufacturers defectnThe Speedo lycra cap is a great choice for the swimmer with long hair. It has an elastic band at the base that ensures a secure fit during any workout. It is made of the same high quality fast-drying lycra used in racing suits to ensure durability.