Jack Wolfskin Men's Atmosphere Vest very light, windproof, breathable and water resistant fabric Fill consists of 70 % hydrophobic duck down and 30 % extremely warm, quick-drying and easy-care synthetic fibrefill (700 cuin fill power) MICROGUARD MAXLOFT (200 g/m): exceptionally warm synthetic fibre insulation NANUK DYNAMIC: two-way stretch fleece with warm reverse side and durable, wind resistant outer 2 hip pockets (one of which doubles as a stuff pouch)