Flight Line is a super-light braid that takes off with its lightweight, non-absorbent xlf cover and its 100% braided Dyneema core.Lightweight, nonabsorbent XLF polypropylene cover and 100% braided Dyneema core makes this line an excellent choice for light-air spinnaker sheets on larger one-design sailboats. The strong, flexible, low-stretch line has a braided core and is easily tapered. Its soft on the hands and gets even softer with use, making it a great choice for performance dinghy mainsheets. Super-lightweight line stays dry and light even when wet. Sold by the foot.Key Features Often used for light-air spinnaker sheets, control lines and topping lifts on larger one-design classes; mainsheets for performance dinghies Construction: Double braid Cover Fiber/Construction: Braided XLF polypropylene Core Fiber/Construction: 100% braided Dyneema Not Recommended: Halyards, runner tails, applications with winches Stretch: 1.85% at 20% of breaking strength