Arc'teryx Proton Heavyweight Hoody - Women's Color:Rune A longer back hem offers

A longer back hem offers superior protection from cold and wind

natural skin moisturizer from Cocoa beans

Selected for its feather-like weight without compromising performance

hiking & more

but rest assured this does not affect the waterproofing of the membrane itself

Arc'teryx Proton Heavyweight Hoody - Women's Color:Rune A longer back hem offersExpertly designed for guides and mountain professionals, the Arc'teryx Proton Heavyweight Hoody for women offers unparalleled breathability, durability, and mobility. Made with 100gsm Coreloft insulation and the Fortius Air 50 outer, it provides air permeable thermal performance for high output missions in cold conditions. The athletic cut and articulated patterning ensure easy layering and unrestricted movement. Technical Features Breathable Durable