Features: *Highly flexible material, not easy to age, wearing a more comfortable fit. *Ergonomic design, strong stability, greatly improve the speed of swimming, enjoy the fun of snorkeling. *Bottom anti-slip design, improve the flexibility of the joints, improve the posture of the foot, comfortable non-slip bottom, legs are not easy to fatigue. *The design of the inflow channel, change the direction of the water flows, increase the swimming speed. *Drainage hole design, reduce resistance to increase efficiency. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement 3.Asian size is smaller than eu/us/uk size,please compare the detail sizes with your before purchasing. Description: Material:Composite artificial rubber +TPR Size: As Picture Shows Package List: 1 pair x Freediving Fins