Ultra light-weight and translucent waterproof shell jacket with mechanical stretch. Lightweight, compact, waterproof and breathable ExoShell20ST fabric with built in stretch Race number visibility Full length front zip with internal storm flap Fully seam sealed for waterproof protection Reflective trims and prints Tiny pack size, stuff sack included A real life invisible force field Waterproofness: 15000 Breathability: 20000