Inner Helix straightens under load to absorb shock & amplify strength. Naturally sourced, corn-based Bio-Resin construction results in a lighter & stronger cord. Helix’s textured cord surface creates smoother water flow resulting in less drag. Designed in collaboration with the world's leading surf athletes and surfboard shapers, the FCS range offers a diverse range of surfboard accesories suited to a variety of board models, wave conditions and surfing styles. FCS fins are the preferred choice by the world’s best surfers and shapers. - 2mm Neoprene Padding - Thin, light and comfortable. - Low Profile Moulded Velcro - Stronger & more reliable. - Moulded Pull-tab - New finger grip designed for quick release. - Helix Overmould - Maximises strength while providing stretch when strained. - Reinforced Horn - Elongated & comfortable horn reduces back foot tangling. - Slim Railsaver - Made with Hypalon and moulded velcro for extra strength - Titanium Swivels - Super durable, light & corrosion resistant. - Cord Thicknes The Freedom Helix creates the perfect blend of weightlessness, strength and sustainability in a leash that’s one of a kind. Featuring a 6 ft cord made from natural bio-resin, the Helix ups the performance levels by being lighter and faster than anything you’ve experienced.