The Harken Canvas J/70 UV Sock #8673 is a must-have for protecting your jib when it's rolled on the forestay. It's crafted from Sunbrella material, which stands up to ultraviolet rays, mildew, and water, making it both strong and lightweight. This cover makes life easier with its two heavy-duty zippers for simple on-and-off application. Benefits Resilient Sunbrella fabric resists UV, mildew, and water. Strong yet lightweight design for durability. Easy-to-use zippers run the full length of the cover. Ideal for J/70 sailboats. This UV sock is specifically designed for J/70 sailing vessels, utilizing durable Sunbrella fabric known for its resistance to harsh marine environments. Its two full-length zippers provide quick access and removal, making it a practical choice for sailors. Its white color not only looks sharp but also reflects sunlight, keeping your jib cool and protected when not in use. Usage Perfect for J/70 owners who want to extend the life of their jib by protecting it from sun damage and moisture when not in use. Simply zip it over the rolled jib on the forestay for added peace of mind.