Full deck over-boom skirted mooring cover with heavy duty nylon zipper running from the mast to sidestay and flap that snaps over zipper to protect zipper from damaging UV.Large screen at aft end allows for ventilation plus vent over front deck. Polyester is the standard cloth. However, Acrylic cloth is lighter and thus suggested. Selecting just an Acrylic skirt also saves on weight, and is a common compromise. Please select below.