This durable sailboat cover is made of high-strength, water-repellant Top Gun fabric and is ideal for both trailering and mast-up mooring. Reinforced cutouts with heavy-duty zippers and YKK® buckle closures at stays. Shockcord in hem ensures a snug fit. Webbing tab with grommet lets you tent the cover by tying it to the boom. Grey.YKK® is a registered trademark of YKK Fastening Products Group.