Keep your hair under wraps when swimming. The silicone allows the head to breathe for a more comfortable fit and can be stretched to more than its original size. Designed with a precision fit for reduced drag and tear resistance. Featuring a soft texture; can be quick and easy to taken on and off while not snagging hair. One size fits all; perfect for short hair and medium hair. It's perfect for different water sports at the beach or swimming pool; and even indoor water sports.