With its exceptional warmth and durability the NRS Farmer Bill Wetsuit is the choice of outfitters all over the world.. . . . . 3 mm nylon-coated neoprene offers excellent comfort and warmth. Over-the-shoulder Farmer Bill style delivers excellent mobility and reduces stress points for increased longevity. Hook-and-loop closure along with snaps for secure closure and easy entry/exit. ToughTex seat and padded thighs are double stitched for longevity. Titanium laminated adhesive aids in heat retention .