Check the listing for details. Mares Avanti Quattro Plus Open Heel Dive Fins. Condition: New with box. Listed at 178.95 USD. Mares Avanti Quattro Plus Open Heel Dive Fins PRODUCT DESCRIPTION The new Avanti Quattro + fin exceeds the established performance of the traditional model thanks to the use of new materials that optimize efficiency. Greater responsiveness and thrusting power with an even more attractive look. New Bungee Strap is provided standard. Proven Channel Thrust technology makes the fin versatile and ideal in all diving conditions. The stabilizers improve stability, eliminating ankle twisting phenomena. The anatomical foot pocket conveys more power to the blade. CHANNEL THRUST: Soft longitudinal inserts allow a controlled deformation of the fin blade while kicking. This channel shape moves a greater amount of water resulting in more thrust for the same effort. We ship Monday-Friday 8:30AM - 5PM of EST While some orders would not be shipped out same or next day, they will be delivered by the eBay estimated delivery date. If you desire the item sooner, please, choose expedited shipping options. Please, contact us through eBay messaging if you need more information on the product