Lightweight rain jacket for mountaineering waterproof, windproof and highly breathable small pack size environmentally-friendly manufacturing All-weather! The Men’s Simony 2.5L Jacket IV hooded jacket is made from environmentally-friendly, waterproof and windproof material. It’s a perfect choice for alpine all-rounders looking for stretchy, lightweight weather protection that packs down small for their mountain sports. The high breathability and underarm ventilation ensure a perfect microclimate. The zip front pockets easily store a map or hat. The highly functional membrane of this rain jacket is made of biobased materials and is 100 % PFC and PTFE-free. The VAUDE Green Shape label stands for environmentally-friendly, functional products made from sustainable materials.