Follow me can get a coupon! Size chart: M3W5 = 34-35EU （if you want M3 please order M4 and then note M3） M4W6 = 35-36EU = 22.5-23cm M5W7 = 37EU = 23.5 cm M6W8 = 38EU = 24 cm M7W9 = 39-40EU = 24.5-25cm M8W10 = 41EU = 25.5 cm M9W11 = 42EU = 26.5 cm M10W12 = 43-44EU = 27-27.5cm M11W13 = 45-46EU = 28-28.5 cm Function: shock absorption, non-slip, wear-resistant, waterproof, breathable, quick-drying, support, balance, impact resistance, light weight Types of shoes: sandals Applicable object: Unisex Outsole material: Crostile resin Help surface material: Crostile resin -