NRS 2.0 Farmer John Wetsuit Lightweight, stretchy 2 mm Terraprene neoprene keeps you warm in cooler conditions without unnecessary bulk Generous armholes give you excellent freedom of movement Durable flat-lock seams lie flat on your skin for greater comfort Titanium laminate adhesive reflects heat back to your body, keeping you warmer The extra-long, double-pull YKK front relief zipper makes it easy to "go" on the go