All seams are double-stitched for superior strength. No exposed seams. All panels are finished with nylon binding. Completely waterproof. Internal piping to hold rigid shape. Exclusive engineered tough and durable Dobby (CFM) material. Front nose pin and front lower chin are reinforced with PVC abrasion resistant material. Soft Nytex inside liner. Zippered gas flap. Zipper pull rubber garage. YKK zippers are rustproof. Tough, oversized, 1.5” dual nylon webbing for side and rear tie downs. Tie downs can attach or release with big 1.5” snap Duraflex buckles. Finished off with rust resistant grommet for added strength. Tie downs are sewn with “X” box over tough PVC material. Fat adjustable shock cords are sewn full-length on the watercraft along the hem. Spring loaded and fully adjustable toggle