The Ocean + Earth SLIMLINE One Piece cord connection has been engineered to dramatically reduce the overall width and weight of the leash cord. New 6mm swivel, refined strap and Slimline railsaver result in ultra-light performance. Patented One Piece Cord technology. No Joins / No Weak Points This is the lightest and strongest performance leash ever made. All materials have been designed to keep weight to a minimum. The Pro Comp is light but has the strength of the patented ONE-XT mould.All round performance. Small wave grovel - head high pits. Surf waves up to 5ft Surfboard Leash Specs:Wave Size: 5ft (1.5m)Cord Dia. : 1⁄4" (6mm)Strap : 38mm Padded  Additional Surfboard Leash Features:  ONE PIECE EXTRUDED CORD - The future of leash design is here. 25% slimmer strap to cord connection plus 6mm swivel. Slimmer/ lighter/ less drag. DUAL ANCHOR SWIVELS - Marine grade, stainless anti-corrosive free-spin swivels for tangle-free surfing. WATER REPELLENT OUTER STRAP - The strap's outer material is water repellent. Minimising the weight even when surfed ORIGINAL DETACHABLE RAILSAVER - The original railsaver system designed by O&E, with sewn in anchor cord. Protects rails and is easily detached. NEW FORMULA CONTROLLED-STRETCH URETHANE - The larger the wave, the more stretch which keeps your board at a safe distance away. Premium grade quality urethane developed by the world's leading manufacturer. FLEX NECK STRAP PLUG - Allows 360º movement of leash and offers more comfort when leash is under load. QUICK GRAB RELEASE PULL TAB - An ergonomically designed polyurethane rigid loop. Always stays upright so it can be easily accessed for quick release. EASY-WRAP NEOPRENE STRAP INNER - Vertically moulded neoprene panels easily wrap around your ankle, adding to comfort. PLUG BUDDY - Another O&E first. Ensures leash string can be easily slipped through surfboard plug. WARRANTY - Guaranteed against faulty workmanship or defective materials for 12 months from date of purchase. ANTI-SLIP STRAP - An engineered raised non-slip silicon print, positioned on the inside of the neoprene ankle strap. CURVED STRAP PLUG - Designed for comfort which naturally curves around your ankle.