The Arc'teryx Theta SV jacket is Arc'teryx's toughest & longest length GORE-TEX Pro Shell jacket. Built for the harshest conditions, this thigh length jacket has a drop back hem with full seat coverage, a slightly relaxed athletic fit for easier layering & articulated shaping for greater mobility. Features 480N GORE-TX Pro Shell 3L Athletic fit Thigh length Waterproof DWR finish Micro-seam allowance (1.6mm) Tiny GORE seam tape (13mm) Laminated high strength hanger loop One-hand adjustable drawcord Articulated elbows No-lift gusseted underarms Helmet compatible Storm Hood Laminated chin guard 2 hand pockets w/laminated zippers Laminated sleeve pocket w/laminated zip Internal mesh pocket Water Tight external zippers Moulded zipper garages Laminated pit zippers Water Tight Vislon front zip Laminated die-cut Velcro cuff adjusters Drop back laminated hem Full seat coverage Adjustable hem drawcord Adjustable waist WEIGHT 549g. Glossary GORE-TEX Pro Shell 3L: Pro shell is the first choice for professionals whose livelihood depends on enduring the worst conditions. Pro Shell will maintain water & windproofness while providing crucial breathability under the most extreme & demanding conditions. Tiny GORE seam tape: Minimizes seam tape in critical zones, reducing the product's overall weight & bulk while increasing the breathable surface area. Water Tight: The world's first Water Tight zippers to pass the W.L. GORE extreme wet weather test.DWR (Durable Water Repellent): A finish applied to a fabric that will bead-up water on its surface to stop it soaking into the fibres. This maintains breathability & shortens drying times.