Check the listing for details. Mares Avanti Superchannel FF Fins. Color: Blue, Condition: New with box. Listed at 89.95 USD. Our eBay Store About Us Contact Us Add to Favorite Sellers Please contact us for a personalized shipping quote Mares Avanti Superchannel FF Fins Three channels for the Superchannel effect Manufactured in Tecralene for superior performance Orthopedic foot pocket The mares superchannel full foot scuba fins use the latest superchannel technology, allowing for optimal power and maximum kick efficiency. The superchannel fins by mares employ advanced superchannel thrust technology, thermoplastic rubber/tecralene materials, and upper and lower stabilizers. The channel thrust technology maximizes the channeling of water, and moves a much greater amount ofpared to other fins of the same size. The result is greater thrusting power, with the same amount of effort. The blade is designed with a large flexible central superchannel that propels water flow more efficiently down the fin blade (instead of letting it spill over the sides) for optimal performance and minimal diver effort. The thermoplastic rubber/trecralene allow forfortable fit, eliminating the need for protection against blisters. Upper and lower stabilizers are vertical ribs that anchor the blade through the kick cycle to eliminate side to side wobbling effect, keeping your kicks stable and reducing power loss. Details: new blade design with a large central superchannel and twotraditional lateral channels provides excellent thrust while maintaining hi-efficiency to reduceleg fatigue foot pocket is molded forfort channel thrust technology system for optimal water channeling sizes: 3.5 - 13 Product Details Category Essential Gear > Fins SKU 410317.SA036RBL Weight 4.0000 Color Blue Size US 3.5/4.5 | EU 36/37 UPC .