The upper has an extremely lightweight, supple, full grain leather, and asymmetric design. It has a Fiber Tech lateral forefoot support system. There is a memory foam back counter, a medial exhaust panel, and a high abrasion toecap. The sole unit has an Evergrind herringbone rubber sole with 3action in the rear foot and carbon Kevlar in the forefoot. An air flow system in the midfoot releases warm air from inside the shoe.