RIVAL Boxing has succeeded in producing the best, most comfortable and power-transmitting boxing glove on the market today with the RFX-Guerro-V Bag Gloves The SF-F version of this glove features simple polyurethane foam that gives it a soft, broken-in feel. The Guerrero glove is a traditional Mexican style professional boxing glove adapted for bag use. It offers a great fit and is considered a "puncher's glove." This glove also features RIVAL's innovative and unique hook and loop "V" Strap for an easy and quick fitting. Please Note: These bag gloves must never be used for sparring or hitting another person. They are designed specifically for bag and punch mitt use only. The layered foam padding used in the construction of these bag gloves are of a hard, high density nature not intended for sparring.