Fin forward 4x (WHK-BL, XL)

Mares Avanti 4x Diving Fins. Experience unparalleled propulsion and comfort with the Mares Avanti QUATTRO 4X diving fins. Engineered with a revolutionary three-material blade and 4-channel thrust system, these open-heel fins deliver exceptional power and efficiency with every kick, minimizing effort and fatigue. The optimized foot pocket, stabilizing side ribs, and anatomical heel pad ensure a snug, comfortable fit for all-day diving. Featuring an elastic bungee strap for easy donning and doffing, and an anti-slip sole for added safety, the Avanti QUATTRO 4X is the ultimate choice for divers seeking peak performance and control. The Mares Avanti QUATTRO 4X is the next-generation open-heel fin, combining comfort, power, and control. With a three-material blade, optimized foot pocket, and 4-channel thrust system, it delivers efficient propulsion and all-day comfort. Features include stabilizing ribs, bungee strap, anatomical heel pad, and a reusable mesh bag.The Avanti QUATTRO 4X is the long-awaited evolution of the legendary Avanti Quattro+. Designed for divers of all levels, this open-heel fin combines comfort, power, and precise control. Whether you prefer flutter, frog, or back kicks, the Avanti QUATTRO 4X delivers smooth, efficient propulsion with minimal effort.Its construction merges Mares' proven technologies with innovative refinements to improve performance in every underwater scenario.Channel Thrust Technology:- Inspired by marine mammals, Channel Thrust Technology delivers more power and efficiency with less effort per kick.4-Channel Thrust:- A 4-channel thrust design maximizes water flow and thrust efficiency, delivering Mares' most powerful and energy-saving fin performance.Three Materials:- Each material serves a purpose - rigid for thrust, flexible for efficiency, soft for comfort - resulting in powerful, efficient, and responsive fin performance.Bungee Strap:- An elastic bungee strap with an ergonomic heel pad offers a snug, flexible fit and allows easy, quick donning and doffing of fins.Foot Pocket - Open Heel:- Mares open heel foot pockets deliver the ideal balance of comfort and efficient power transfer, ensuring optimal control and performance with every kick.Features:Three-material construction for performance and comfort:- The entire fin is made from three different materials. This combination allows for a flexible yet responsive blade that maximizes thrust while reducing fatigue. The blend of materials is carefully chosen to balance power, durability, and diving comfort.Optimized foot pocket design:- The upper section of the foot pocket is made from soft thermoplastic rubber for a snug and comfortable fit. The lower section is reinforced and extends into the blade, improving stability and ensuring that leg energy is transferred efficiently into forward motion.4-channel blade for greater propulsion:- Four channels along the blade bend and guide water efficiently, increasing thrust and reducing leg fatigue, even on longer dives.Stabilizing side ribs with overmolding:- The side ribs improve blade flex and reduce lateral movement. Overmolding reinforces the ribs and increases the channeling effect while adding a sleek visual finish.Anatomical heel pad:- Reduces stress on tendons and increases comfort. The large loop allows for quick donning and doffing, even with gloves.Elastic bungee strap with protective cover:- Easy to use, adaptable to different foot shapes, and protected to increase durability.Anti-slip sole:- A rubberized grip under the foot pocket ensures a firm hold on wet surfaces, making the fin safer to wear on boats or rocky shores.Reusable mesh bag:- Supplied with a quick-drying carry bag that supports Mares´ commitment to reducing single-use plastic.Specifications:Facts:- Material: Thermoplastic rubber-Tecralene®- Type: Open Heel- Blade length: 38 cm- Blade Thrust Area: 780 cm²- Weight of single fin: 0.9 kg / 2 lb. tradeinn Diveinn

The successor to the Avanti Quattro +. The best open heel fin made even better Two materials have been used for the shoe and the shovel, with overmolding on the side ribs to combine comfort and performance 4 channels for great pushing power Stabilising side ribs with pleasant overmolding: functionality and style work perfectly together Elastic fin strap and anatomical heel shape Package: Quick-drying reusable mesh bag