Rival RB11 Evolution Bag Gloves SilverStep up your training with the Rival RB11 Evolution Bag Gloves, a pro level design that blends premium build with unbeatable comfort. Made from Rivals signature microfibre PU, these gloves offer the look and feel of luxury while standing up to years of bag work. What sets the RB11 apart is the fit. The ergonomic hand shape and 15 angled cuff give a natural punching position, while the dual angle V Strap Wrist Lock 2 System keeps your wrists stable