The Horseware H20 Jacket is waterproof and breathable. Designed to keep you dry and comfortable, this hooded rain jacket includes taped seams, a full front zipper and stretch woven polyester fabric. TPU membrane. Materials: Shell 1: 50D stretch TPU(5000/4000) lining 144g/sqm. Shell 2: Reflective fabric membrane, waterproof 5000.