Proton FL Fortius Jacket Color:Green Knitted from premium-grade pure cotton

Knitted from premium-grade pure cotton jersey loops into a boxy fit

effortless fit that sits light against the body

Unique curved tongue featuring the house logo

reimagined in a luminous resin frame with supple calfskin accordion sides

Elegant round-neck architectural cut

Proton FL Fortius Jacket Color:Green Knitted from premium-grade pure cottonArticulated athletic architecture and advanced vapor permeable insulation make this technical hoodie the premier choice for high output mountain ascents. Formed from lightweight Fortius Air 20 nylon, the outer shell works in unison with an airy Octa Loft lining to continuously vent excess body heat even in humid conditions. The body skimming framework tracks the spine perfectly, moving with an effortless active grace. Weather resistant Fortius Air 20