Men's Proton Lightweight Hoody from Arc'teryx is a light, insulated softshell jacket for men. The jacket is durable enough for climbing. It's easy to carry and is perfect on its own or as a warming mid-layer.\nThis versatile jacket has good breathability and provides warmth and comfort - even as temperatures and activity levels fluctuate. Octa® Loft insulation maintains its thermal properties even after extended use. The durable Fortius™ Air 20 material is stretchy, wind-resistant, and offers temperature-regulated ventilation. The zippered chest pocket can hold a radio transmitter, pre-shaped elbows offer great mobility, and the insulated hood with low profile fits well under a helmet.\n\nLight wind-resistant effect\nTrim fit for athletic performance\nNo Slip Zip™ front zipper\nAdjustable insulated hood\nAdjustable drawstring at the jacket's hem\n2 stretch-woven chest pockets with zippers\n2 zippered hand-warming pockets\nArticulated elbows\nGusseted underarms\nWater-repellent impregnation\n\nFabric: 84% nylon, 16% elastaneInsulation: 100% polyester Arc'teryx Men's Proton Lightweight Hoody Black | Buy Arc'teryx Men's Proton Lightweight Hoody Black here | Outnorth