Jack Wolfskin Men's Jasper 3-in-1 Jacket 3-in-1 jacket Waterproof, windproof, breathable Detachable hood Warm fleece inner jacket Environmentally friendly, fluorocarbon-free (pfc) durable water-repellent (DWR) treatment Waterproof, Windproof and Breathable Easy to clean, Less sensitive to water than down and They insulate even when damp An excellent warmth-to-weight ratio, A generally high level of heat retention and A small pack size in comparison with other filling materials.