the Genoa Sleeve About the Sun Shield - the ATN Genoa Sleeve Protects the furled sail without the sacrificial sun cover. It does not alter or weigh down the sail. No need to lower the sail to install the Sun Shield. The ATN Sun Shield is hoisted with the spinnaker halyard. It will keep it tight even in a strong breeze. It will not flog to self destruction. It will protect the furled sail from the sun, weather and pollution. ATN has delivered a 130' Genoa Sleeve to a Swan 100 in Spain. List Pricing Up to 50' US $12.00/ft Up to 75' US $15.00/ft Up to 100' US $20.00/ft Over 100' US $27.50/ft Please let us know what color you would like your sleeve. Most sumbrella colors are available, White, navy, and pacific blue are most popular.