The Arcteryx Sidewinder SV Jacket is designed for those who prefer to take a less direct route down the mountain. Equipped with highly breathable GORE-TEX Pro, a great range of performance features & the brands unique e 3D articulated shaping, this tough, big mountain jacket offers the ideal combination of weather protection & freedom of movement to allow you to take on the back country will confidence. Features Arc'teryx Expedition with e 3D fit Highly breathable Gore-Tex®' Pro Curved Water Tight' Vislon front zip Water Tight' pit zippers Full protection Storm Hood' fits over helmet & is designed to rotate your head Internal mesh dump pocket, zippered hand pockets, sleeve pocket, chest pocket Powder skirt with Slide 'n Loc' attachment Weight: 594 g / 17.5 oz (M) Glossary GORE-TEX Pro Designed to meet the demands of outdoor professionals & serious enthusiasts, GORE-TEX Pro has been made using the most rugged, most breathable, durably waterproof & windproof fabrics for extended use in extreme conditions. Its 3-layer construction features a waterproof & breathable laminate sandwiched between a durable nylon face fabric & Microgrid Backer Technology. E3D patterning Ergonomic 3-Dimensional patterning brings an additional level of articulation to provide enhanced mobility. E3D refers to an allowance in the garment patterning to provide extra gusseting and/or articulation in key joint areas to allow for maximum movement. Water Tight' The worlds first Water Tight' zippers to pass the W.L. GORE extreme wet weather test. Expedition fit Has a larger cut that accommodates multiple layers without binding or restricting movement.