Welded seams on 30 oz. marine grade vinyl so it is impervious to water. Thicker high density foam insert and no pinch hinge w/lock. Built to withstand harsh conditions, keeping you comfortable and on the water longer. 1/4" x 20 T-nuts allow mounting to most standard marine swivels, slides, or seat spiders. Color Mossy Oak Shadowgrass / Black Perf