Bestop Black Twill Replace-a-Top is a deluxe version added to the soft top product line of Bestop Soft Tops. Featuring a 30-oz. triple-layer Black Twill fabric that is more flexible compared to other fabric used in Jeep soft tops for a smooth, wrinkle-resistant appearance, and contains no PVC's. Twill fabric usually found on luxury vehicles like BMW, Camaro, and Rolls Royce. This heavyweight 3-ply fabric is consist of exterior twill, a center rubber waterproofing and interior twill for effective noise reduction and comfortable Jeep interior. A 135-gauge polyester industrial thread with finished seams for lifelong durability. Industry-leading 40-mil, DOT approved vinyl windows have 31% tint with the extended heat-sealing surface for weatherproofing. Its removable and replaceable windows with the top of the line YKK scoop count zippers enables fast and easy window replacement. Offers in custom-built fit for each Jeep application and requires your original factory soft top hardware for installation. Backed by Lifetime Limited Warranty.