Proton Heavyweight Hoody Women's S25

This Proton Heavyweight Hoody is the warmest and most durable in the Proton series from Arc'teryx.  An air permeable mid or outer "active" insulation layer with abrasion and weather resistant outer fabric. A great choice for high output activities in colder temperatures when you are expecting a lot of wet weather on your outing.  Synthetic Coreloft™ insulation still retains the majority of its insulation value when wet.  These synthetic puffy jackets are more abrasion resistant than the Arc'teryx Atom series of puffy jackets, and are a superior choice for more demanding alpinists and mountain guides. Details Fortuis™ Air 50 Face Fabric is more durable than those used on other similar insulation pieces from Arc'teryx. 84% nylon, 16% elastane 20D 100% Plain Weave Nylon Lining Fabric for Temperature Control and Moisture Management Coreloft™ Continuous 100 100% Polyester Insulation in Body Coreloft™ Compact 60 100% Polyester Insulation in Hood and Sleeves Full Length Front Zipper Two