Choose greatness with the GOwalk 4 - Remarkable. Features innovative 5GEN midsole design and an advanced nearly seamless one piece smooth Leather-Tex fabric upper with new Skechers Goga Max insole for the most advanced walking experience ever. Fastening:Slip on Material Composition:Textile/Other Materials/Other Materials Innovative and highly responsive 5GEN midsole cushioning. 5th Generation design provides a high energy return on every step. Smooth looking Leather-Tex fabric upper engineered to naturally expand with your foot while you walk. Nearly seamless construction for comfortable fit. Bamboo lined footbed for anti bacterial odor control.