Arc'teryx Gamma MX Hoody - Women's Fortius 2.0 Face: 85% nylon 15% elastane. Backer: 94% polyester, 6% elastane Imported GAMMA MX HOODY - This wind resistant, breathable hoody is perfect for alpine specialists looking for enhanced mobility. A tough, wind resistant outer face sheds moisture and a light inner fleece adds warmth while wicking away moisture.The warmest Gamma softshell hoody in the Arc'teryx Essentials collection. GAMMA - Weather resistant mid or outer layers with stretch. Highly breathable and abrasion resistant. MIXED WEATHER - Highly durable, breathable and mobile. Best for mixed usage in changing weather conditions. BREATHABLE MATERIAL - Allows moisture vapour to escape, helping regulate temperature and elevating comfort inside garment. ARC'TERYX ESSENTIALS - Versatile high performance designs for diverse activities and conditions. Durable and light.