The Upper: Features the house's iconic "H" cutout design made from smooth, premium calfskin leather.The Strap: Equipped with a functional, adjustable top strap across the instep for a customized and secure fit.The Sole: Built with a comfortable, textured anatomical rubber footbed and an interlocking "H" patterned outsole for solid traction.The Fit: These sleek "techno-sandals" generally run small. It is widely recommended to size up by half a size (or a full size for high insteps or wider feet) to ensure a comfortable fit.