The New FCS Helix Cord has Naturally sourced, corn-based Bio-Resin construction that results in a lighter & stronger cord. Inner Helix straightens under load to absorb shock & amplify strength. Helix’s textured cord surface creates smoother water flow resulting in less drag. Features a Lightweight Cuff with silicone grip print to reduce slipping. Moulded Pull-tab - New finger grip designed for quick release.