Arcteryx Proton Hoody Arcteryx Atom Hoody PFAS-free GORE-TEX membrane

PFAS-free GORE-TEX membrane

creating a belay parka sheltering you from the cold and wind so you can focus on your task

and smaller pockets one internal

Snap-back adjustment strap

while internal cuff and neck gaskets seal in heat and block out icy drafts

Arcteryx Proton Hoody Arcteryx Atom Hoody PFAS-free GORE-TEX membraneThe Arcteryx Proton Hoody is a super light insulating mid or outer layer designed for spring and summer conditions when you may need a little extra warmth. The Proton is made from 20 denier Fortius Air 20 outer which is impressively durable for its low weight. Fortius Air 20 balances air permeability for breathability when you are working hard, with light wind resistance. The insulation is a light layer of Coreloft Compact 80 air permeable insulation