Closed Cell Technology for head safety Engineered for sparring EverFresh antimicrobial treatment Includes instructional boxing workout Level II - Advanced technology and high-end materials An essential training tool for all boxers of any training level. Let this headgear protect you. Premium synthetic leather along with excellent construction provides long lasting durability and functionality. Antimicrobial treatment fights offensive odors and bacterial growth keeping your products safe and smelling fresh. One size fits all.