Upper: PU upper with Guard Durable Skin technology for added support and durability in key areas. Plenty of exposed mesh for breathability. Midsole: Power Cushion technology offers exceptional cushioning and energy return. An interlocking shank and heel counter offers locked-in support from the midfoot to the heel. Outsole: Endurance Rubber outsole in a modified herringbone tread pattern offers great traction and durability on any court surface.