Calcutta Foul Weather Rain Gear is made of DWR treated nylon outer shell with a waterproof, breathable 100%-waterproof membrane. Fully taped seams along with an interior nylon lining with mesh panels for added performance. Double storm flap and draw cord with cord locks seal out water and cold air. Large over-size pockets with zippers and storm flaps keeps personal items dry. The bibs feature reinforced knees and seat, neoprene side stretch panes and zippered legs for added performance.