Ships from Hong Kong. This silicone swim cap is lightweight and durable, designed to fit male swimmers. The silicone allows the head to breath for a more comfortable fit and can be stretched to over double of its original size. It is environmental and waterproof. Solid-color silicone swim cap Designed to securely hug the head to reduce drag Quick and easy to take off without snagging hair Can be stretched to more than double its original size Silicone allows head to breathe for a more comfortable fit