Our Groundies® Kos is a modern and sleek unisex barefoot sandal, favored by both women and men. The high-quality leather ensures a sleek and elegant look, while the thin and flexible sole lets you feel the ground beneath your feet. The slingback strap and the wide strap across the foot ensure stable support. The straps are adjustable, allowing for flexibility in fit around the instep and heel areas. Groundies® Unisex Barefoot Sandal Kos Anatomical toe box for a foot-friendly, wider fit in the toe area Zero heel and neutral footbed Upper material made of smooth leather Sensitive thermo-rubber sole Flexible, slip-resistant, and abrasion-resistant Designed in Germany. Made in Portugal Size note: This model runs one size larger