The Rival Optima RS10V boxing glove has been designed to support a better grip for more support and a natural fist position. new sleeker design with raised, layered padding for maximum protection premium full grain leather Rival Boxing's original Ergo Strap system ventilated palm conical design 45 mm layered foam padding Size table: Boxer weight Palm circumference (without bandage) Size 55 - 68 kg 16,5 - 19 cm 14 oz 68 - 84 kg 19 - 21,5 cm 16 oz 84 kg and more 21,5 - 24 cm 18 oz