Stormtech Mens Premium Epsilon H2xtreme Water Resistant Breathable Jacket Nylon, Spandex, Laser-cut and bonded arm pocket with waterproof zipper. Water resistant: 8,000mm. Breathable: 5,000g/m /24hrs. Ripstop Fabrication (95% Nylon, 5% Spandex),Bonded with Matrix Microfleece. Reversed-tape front zippers with full-length inner storm flap.