TL;DR: One size, fits US sizes 7-11, Europe sizes 37.5-44, Australia sizes 7.5-14 (fits most, men and women) Material: 50% polyester + 30% nylon + 5% elastane + 15% spandex COMFORTABLE FABRIC: Breathable high-performance fabrics, large moisture-wicking and breathable system on the instep, with special weav…