The updated Hummvee Lite Waterproof Jacket II offers lightweight packable weather protection in an accomodating mountain bike friendly fit. Lightweight breathable 2.5-Layer waterproof fabric in a fully seam sealed construction PFC-Free non-toxic durable water repellent finish Full length storm flap inside front zip Zipped chest pocket Small pack size Reflective trim Construction Polyester 100% Technical aspects Waterproofness: 10000 Breathability: 10000