2XU Neoprene Swim Cap 100% Other Fibers Imported Designed to be comfortable in and out of water Chin strap ensures a secure fit Durable neoprene stands up to your toughest workouts 100% latex-free for those with allergies 100% Neoprene 100% Neoprene Rubber Exceptionally warm for cold water swims Streamlined fit Thin, flexible chin strap for a comfortable, secure, non-restrictive fit