neoprene Made in the USA or Imported 3mm nylon-laminated DuPont Neoprene Hook-And-Loop shoulder closures with snaps Seams patterned for durability ToughTex seat and knees Ankle zippers NRS Youth Farmer Bill Neoprene Wetsuit - The NRS Youth Farmer Bill Wetsuit keeps your little ones warm and comfortable on those chilly days in cold water. Each suit is crafted with high-quality, 3 mm nylon-coated neoprene for comfort and warmth. The unique over-the-shoulder "Bill" design eliminates many stress points for added longevity.