All materials cut by computer guided laser, perfect everytime. Dyneema and Dacron bonded no fray leading edge.Invisiclear-no grind, no stretch, anti-wear strips. Kevlar center reinforcement. HP Core, sheathed, round braid, black bridle.T2 wrapped graphite frame. Ultra light T0 frame also available.Fold top canvas sleeve with mesh pocket. Extra endcap and bungee included.Vertigo series is crafted with 1/3 oz. polyester sail.