Five Fingers Men's Groundsplay Black/IvoryFlexible Design: Built with a thin section and micro traction lugs for dynamic movement and flexibility. Secure Closure: Double closure upper enhances balance and stability during various exercises. Optimal Performance: Provides necessary grip and control for weightlifting and circuit training. Sole Thickness: Total thickness of sole measures 4. 5 mm for lightweight comfort. Lightweight Options: W37 size weighs 37. 6 oz (106. 6g) and M43 size weighs