Oceanic New Viper Full Foot Scuba Diving & Snorkeling Fins - Blue (Size 4.5-5.5/X-Small) Spearguns/Teak there is no need to

there is no need to keep feet lower than the rest of the body (such "plowing" is less efficient than horizontal swimming)

Quick-release buckles

Details: A New Standard for Today's Watersports Enthusiasts

and chest size independently

Oceanic New Viper Full Foot Scuba Diving & Snorkeling Fins - Blue (Size 4.5-5.5/X-Small) Spearguns/Teak there is no need toDetails: So fast and responsive they're scary. Precision blend of hydrodynamics and materials technology for ultimate comfort, efficiency and performance. The VIPER FULL FOOT blade's Flexible Power Thrust Channel directs water off the tip of the blade for improved power and efficiency. The engineered channels and side rails direct water flow off the tips of the fin without allowing water to "spill" from the sides of the blade for uncompromising power