This product has been tested and approved by the IBA (formerly AIBA) and USA Boxing for use in all competitions sanctioned under IBA or USA Boxing rules. Made with quality cowhide leather for durability and a taffeta waterproof lining to provide comfort and help maintain proper glove weight. The high compression foam padding has excellent impact resistance and shock absorption. The all-wrap leather wrist strap ensures a snug, close fit. These gloves appeared at the 2008 Beijing Olympics and the 2012 London Olympics for all boxing events. All gloves carry the official stamp of authenticity.