These slippers are made of durable EVA material that is ultralight and non-slip. The EVA material makes the slippers softer and increases their elasticity.The open toe design allows air to circulate, so you don't have to worry about sweaty feet.The lightweight, durable, and non-slip sole can help you walk more smoothly. The sole not only provides good shock absorption but also protects the floor from scratches.Good grip helps prevent slipping.The EVA material makes these slippers water-resistant and quick-drying, so you can keep your feet dry after showering and swimming.Wear these slippers at home, at the gym, by the pool, at the beach, and many other places.Heel to toe : 35/36 = 230 mm : 37/38 = 240 mm : 39/40 = 250 mm 40/41 = 260 mm : 42/43 = 270 mm : 44/45 = 280 mm