Skechers Shape Ups - Jump Start-Silver-purple re-establish the natural conditions for standing and walking.They have technology in the sole design that make your working more efficient and burn more calories. With every step, the instability activates your muscles and the whole body is stimulated as your walk more and more. - Mimics walking barefoot. - Kinetic wedge and foam midsole allows for exercising effect. - Leather upper. - Cushioned insole. - Padded tongue and collar for added comfort. - Lightweight, shock-absorbing midsole ensures complete comfort. - Rubber outsole promises secure traction and durability.