; Winter treks can take it out of you if your kit isn't flexible. The Arc'teryx Fission SV Jacket pairs a premium GORE-TEX PRO shell with next-level, Coreloft synthetic insulation for breathable, insulating hardshell coverage designed to go the distance. ; Regular Fit: &#8226; e3D (Ergonomic 3-Dimensional) construction improves mobility via anatomical mapping. &#8226; Allows room for an additional baselayer. ; N80p-X GORE-TEX PRO fabric: &#8226; Dense plainweave reduces yarn exposure for extreme abrasion resistance. &#8226; Breathable three-layer membrane bonded to the shell and liner. &#8226; Windproof and waterproof design with fully taped seams. &#8226; DWR (durable water repellent) finish. &#8226; Abrasion-resistant, highly lightweight microgrid backing. ; Coreloft Continuous 90 insulation: &#8226; Continuous filament construction helps to eliminate cold spots and bunching caused by gaps in insulation bunching. &#8226; High degree of hydrophobic performance speeds the passage of moisture vapor from perspiration. &#8226; Synthetic insulation improves thermal retention while maintaining low bulk. &#8226; Pairs with a Permeair 20 nylon ripstop lining, constructed with an open weave for active breathability. &#8226; 2.7 oz/yd&#178; / 90 g/m&#178; fabric weight. ; DropHood design: &#8226; Attached hood hangs free from the separate collar. &#8226; Helmet-compatible construction with one-hand adjustable, multi-point drawcords. &#8226; Laminated brim prevents moisture accumulation. &#8226; Insulated with Coreloft Continuous 65 fill. ; Full-length front zip with water-resistant, Vislon Watertight zipper. ; Long sleeves in an articulated panel construction. ; Adjustable, hook-and-loop tab cuffs. ; Zip hand pockets. ; Inner mesh pocket. ; Inner zip pocket. ; Droptail hem with adjustable drawstring. ; Body: 100% nylon; Membrane: 100% EPTFE; Insulation: 90% polyester, 10% acrylic; Lining: 100% nylon. ; Machine wash and tumble dry. ; Imported. Measurements: ; Length: 28 in ; Product measurements were taken using size SM. Please note that measurements may vary by size.