Mizuno Wave Bolt 2 Indoor Court Shoes Parellel Wave Plate Technology - Mizuno Wave technology improves speed and reflexivity and offers dynamic cushioning and agility. Protective TPU Toe-Cap - A stronger material which provide strong foothold and side protection. Modular Gum Rubber Outsole - For superb traction underfoot, suitable for court sports. Removeable Sockliner - Moulded into the shape of the foot for a custom fit. Synthetic and Mesh upper - Ensures ultimate comfort, snug fit and durability.