Deluxe, heavyweight, all weather cover. Top: Water resistant 420 Denier 100% Polyester, with PVC coating. Bottom: 65/35 Polyester/cotton mix with heat resistant and PVC coating. Improved vents remain open at all times. Sewn in grommets for improved attachment of anti theft devices. Elastic cords sewn into bottom for a snug fit. Includes storage bag. Wait for bike to cool before applying cover. Sm: Sport/Custom 500-1400cc bikes with small fairings. Md: Full Dress 500-1100cc bikes with fairings and bags. Lg: Touring/Full Dress 1500cc and larger with fairings and bags.