Hayabusa S4 Black Boxing GlovesS4 Leather Boxing Gloves offer everything you need to begin your boxing journey, now with 100% genuine leather. Its pre curved interior helps you form a strong, natural fist with proper knuckle protection and secure support for your wrists. Genuine leather construction. Splinted padding supports and aligns your wrists. Injection molded foam delivers shock absorbing knuckle protection . Hand ergonomics and natural fit eliminates hand strain. Microfiber