The original leg cover with PATENTED ANTI-FLAP INFLATABLE SYSTEM (S.G.A.S.): the inflatable chambers on the sides of the cover prevent flapping at high speed. - Three-layer HYDROSCUD® construction to ensure thermal protection and waterproofing: - Waterproof heavy Polyamide outer shell and taped seams - Fully waterproof inner membrane - Lined interior for extra warmth - S.G.A.S. anti-flap inflatable system - Anti-theft system (metal ring) available for models not requiring screw fixing - Large storage pocket - Built-in saddle cover - Reflective edging