The Nelson-Rigg Defender All-Weather Motorcycle Cover is made from a waterproof medium weight UV-treated "Tri-Max" polyester. It features a ventilation system to minimize condensation build-up and allows for constant air circulation.• 100% waterproof• Medium weight top quality Tri-Max treated polyester• UV-protected• Double stitched• Electrically heat sealed seams• Silver heat resistant lower panels protects from hot exhaust pipes• Soft windshield liner• Snug elastic bottom• 1" grommets at center and front wheel• Perma-Venting system prevents condensation build up• Allows constant air circulation• 5-year manufacturer warranty