3 mm nylon-coated Terraprene neoprene Shoulder snaps with hook-and-loop closure ToughTex seat, padded knees with double-thread stitches Mauser stitched & taped seams Color-coded chest panel NRS Farmer Bill Neoprene Wetsuit - Providing warmth and durability, the NRS Farmer Bill Wetsuit is the professional standard and is used by outfitters all over the world. The unique over-the-shoulder Farmer Bill style offers more room for your upper body and eliminates key stress points for added longevity.