Whether you glide or spin, these adizero★ Shot Put 2.0 track shoes anchor your throwing powers with a sturdy midfoot strap, foam insole cushioning, and secure heel and toe wraps.DetailsWeight: 12.3 oz.Synthetic leather upper for light weight and durabilityMedial midfoot support strap for arch and midfoot supportCoolever lining uses clover-shaped yarn to manage heat and sweat; Foam insole for comfortHeel and toe wraps for support and stabilityCarbon rubber outsole for maximum durability