Stohlquist Ez Drysuit nylon 4 Layer Twin Sensor Waterproof/Breathable Fabric: Nylon Shell Fabric with DWR Finish, Hydrophobic/Microporous Coating, Laminated Membrane, Nylon tricot lining Super Stretch Neoprene Neck Gasket. MasterSeal waterproof cross-chest entry and relief zippers. Cordura reinforced seat and knees with mesh drainers Fabric drysocks are universally sized. Hand Wash Soap and Water USA