The Nelson-Rigg Defender Extreme Motorcycle Cover is 100% waterproof. It features a ventilation system to minimize condensation build-up and allows for constant air circulation.; Innovative UltraMax durable polyester material UV-protected Reflective strip along sides and back for enhanced visibility Integrated heat-resistant panels for exhaust pipe protection Exclusive Perma-Venting system allows air circulation Soft windshield liner protects against scratching Snug elastic hem and quick release belly strap secures cover to bike Packed in multi-use compression bag for compact storage Grommets at front wheel for cable lock (not included) Includes antenna grommet kit Lifetime manufacturer warranty