Adult Diving Fin Full Foot Fins Sporty Water Swimming Snorkeling Flipper Black Transparent S Description: Made of thermoplastic rubber material, providing a comfortable environment for your feet. Designed with open toes, water can flow out quickly and your feet are comfortable and breathable. Excellent flexibility and non-slip sole prevent cramps and reduce fatigue. Reduce drag drainage to improve swimming speed and improve gesture. Ideal for diving or swimming. Specifications: Material: thermoplastic rubber Size Chart: Size S: ue 36-38 (L x W: 52.6 x 17.2 cm / 20.71 x 6.77 inches) Hand Length: 29.9 cm/11.77 inch Size M: ue 39-41 (L x W: 55.1 x 18.4 cm / 21.69 x 7.24 inches) Hand Length: 31.6 cm/12.44 inch Size L: ue 42-44 (L x W: 58.2 x 18.6 cm / 22.91 x 7.32 inches) Hand Length: 33.6 cm/13.23 inch Size XL: ue 45-46 (L x W: 61.6 x 19.7 cm / 24.25 x 7.76 inches) Hand Length: 35.6 cm/14.02 inch The package includes: 1 pair of fins