1 Pair Adjustable Swimming Fins Soft TPR Open Heels Long Diving Fins for Snorkeling . 1 Pair Adjustable Swimming Fins Soft TPR Open Heels Long Heel Characteristic: 1. The reinforced water flow guide hole effectively reduces water resistance and reduces leg muscle strength during diving and improves diving speed. 2. Reasonable, streamlined dewatering duct placement can concentrate water pressure and provide greater stability. Two-channel drainage, which is faster and has less resistance. 3. Slip-on fins are soft and non-slip on the bottom, comfortable and do not compress the sole of the foot. 4. The convex design increases friction, has better anti-slip performance and makes it easier to swim and dive. 5. Very flexible material, flexibility increased by more than 30 percent , strong and strong digging, you can enjoy snorkeling fun! . 1 Pair Adjustable Swimming Fins Soft TPR Open Heels Long Heel Specification: Item Type: Swimming Fins Material: TPRPP Product Color: Red Length: approx. 40 cm / 15,7 inch Width: approx. 18 cm / 7,1 inch Size: ML/XL 9-13 EU Size: 42-45 Product weight: approx. 812 g / 28,6 oz . 1 Pair Adjustable Swimming Fins Soft TPR Open Heels Long Heel List of packages: 1 x Pair of Swimming Fins . 1 Pair Adjustable Swimming Fins Soft TPR Open Heels Long Heel