Defender Extreme Cover - Sport waterproof Tri-Max polyester with heat taped seams, Maximum UV protection against sun*s harmful rays, Packed in compression bag for the in compact storage, Exclusive Perma-Venting* system minimizes condensation and allows air circulation, Snug elastic hem and quick release belly strap secures cover to the bike, One-inch grommets at front wheel for cable lock (not included), Soft windshield liner protects against scratching