Durable, breathable Fortius™ Air 20 nylon plain weave is lightweight, air-permeable, and made with 42% recycled nylon Octa® Loft knit insulation provides breathable warmth and resists packing out FC0 DWR (Durable Water Repellent) finish repels moisture and is PFAS-free Adjustable, insulated hood provides additional warmth and stretches to fit over a helmet Stretch-woven zippered chest pocket accommodates most smartphones, radios, and satellite communications devices Zippered hand warmer pockets secure small essentials Fitted, with articulated patterning for mobility and freedom