The ancient art of layering adds weight. bulk and unwelcome stops to alpine ascents. Red uce all three with this pile/shell combo: it sheds rain, wind and snow without inhibiting breathability. Infurno technology uses your body's own temperature regu lation system to constantly push moisture out and away, keeping you warmed from within on belays but not overheated on ascents. Details: microfiber nylon shell, pi le insulation (EcoSpun PCR post-consumer recycled - polyester). chest, flash and handwarmer pockets, a snow-shedding lower lining, gusseted cuffs and drawcords at the wa ist and hem to seal out moisture. Imported.