Product Description Oceanic Viper Full Foot Scuba Diving Fins 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 and efficiency. FEATURES Available in SEVEN sizes and THREE colors Ideal for all diving and snorkeling skill levels Flexible Power Thrust Channel directs water off the tip of the blade for improved power and efficiency Power Vents reduce stress while accelerating water over the blade Oversized blade produces increased thrust and propulsion Generous yet streamlined foot pocket fits a wide range of boot styles while significantly reducing drag Extremely lightweight for increased performance and ease of travel Approximate Sizing for fins as follow: XS = Men 5-6, Women 6-7 Small = Men 6-7, Women 7-8 Medium =Men 8-9, Women 9-10 Large = Men 10-11, Women 12-13 XL=Men 12-13+
