The Gamma SL Hoody is the result of years of Arc'teryx softshell experience and our designers' extraordinary focus on purity of function. It is a pinnacle piece combining advanced performance and a clean, minimalist aesthetic. The Fortius 1.0 double weave is light, but strong. It resists wind and water, breathes, and offers four-way stretch. A StormHood provides protection without impacting peripheral vision, while the trim fit, articulated patterning and clean lines keep it streamlined and comfortable.. . . . . Weather resistant mid or outer layers with stretch. Highly breathable and abrasion resistant.. Superlight materials and design, emphasizing light weight and packability over durablity.. Versatile high performance designs for diverse activities and conditions.. Air permeable four-way stretch woven textiles with superior abrasion resistance.. Weight: 238 g / 8.4 oz. Trim fit. Center back length: 65.5 cm / 25.8 in. Machine wash. Imported.