Description: Made of TPR and POM material , providing a comfortable environment for your feet. Designed with open toe, water can flow out quickly and your feet feel comfortable and breathable. Perfect amount of flexibility and anti-slip sole to help prevent cramps and reduce fatigue. Reducing resistance drainage to improve swimming speed and correct your gesture. Perfect for snorkeling or swimming. Specification: Material: TPR + POM Size Chart: Size S: EU 36-38 (LxW: 51x16.6cm/20.08x6.54inch) Palm Length: 28cm/11.02inch Size M: EU 39-41 (LxW: 53.2x16.9cm/20.94x6.65inch) Palm Length: 29cm/11.42inch Size L: EU 42-44 (LxW: 55x17.5cm/21.65x6.89inch) Palm Length: 30cm/11.81inch Package Includes: 1 Pair of Flippers : Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.