PROTON SL Hoody Size:S/1 Different situations require different approaches

Different situations require different approaches to getting the right amount of carbohydrates every hour

Coreloft™ Compact 80 air-permeable insulation helps maintain a pleasant microclimate

you can stay dry and run relentlessly

Combined with Prizm™ lens technology or Oakley Authentic prescription lenses

you benefit from maximum comfort

PROTON SL Hoody Size:S/1 Different situations require different approachesThe Proton Vest Black is a sleeveless jacket from Arc'Teryx that will be ideal as a second layer for all your mountain activities, from climbing to hiking, mountaineering or trail running. Updated this season with new Octa Loft insulation, it offers an ideal balance between ventilation and insulation, to let your body breathe during your intense activities while effectively protecting you from the cold. Stretchy, its Fortius Air 20 softshell outer