The professional standard. These attractive suits are constructed of 3 mm nylon-coated DuPont® neoprene for a comfortable fit, and our unique "Bill" design eliminates many stress points for added longevity. Tuff Tex™ seat and knees with special double-thread stitching for even better wear and protection. Color coded by size for easy identification in commercial programs. Hook-and-loop fasteners have been coupled with snaps at the shoulder to ensure easy entry and a secure closure. NRS Shoulder Extensions are available for taller boaters.