Sea Fox 180 Viper Center Console T-Top Boat Cover 2000-2016 Ultima Fabric Taylor Made Custom Boat Covers are design to fit a specific model of boat. The Ultima fabric is lightweight and has a three year warranty. This cover should hold up to UV rays an estimated 4-5 years. Available in two colors. 9 oz Solution Dyed Polyester; Strongest material offered for T-Tops; Best Choice for high wind conditions; 5 Year Warranty; Made in the USA;