ION Uphaul Line Tec 2026ION's Uphaul Line Tec makes hoisting your sail easy with its lightweight build and elastic webbing construction. The line stays close to the mast and out of the way until you pull. The rubber is directly woven into the webbing making for a higher quality look and feel. A grippy surface ensures control, while exchangeable, adjustable rope connections let you set up quickly between boom front end and mastfoot. Available in two versions: Size S for Wave