This full-deck, mast-up mooring cover fits over the boom. The cover is reinforced at fittings and other critical pressure points. Vents fore and aft circulate air to minimize condensation. Heavy-duty, UV-resistant polyester zippers run to the mast and sidestays. Convenient YKK® buckle closures at the bow, with quick-release buckles at bow and sidestay hem for easy on and off. The wraparound mast collar with ties offers additional protection.