Proton Fortius Jacket Size:mrtwstd_M Modern regular-fit short-sleeved profile

Modern regular-fit short-sleeved profile

100% durable water-resistant TPU

Rigid architectural contours and buttery smooth calfskin leather converge in this quintessential leather belt

The kangaroo pocket and long sleeves prioritize a sense of functional movement and modern daring

Premium mesh and nylon upper

Proton Fortius Jacket Size:mrtwstd_M Modern regular-fit short-sleeved profileArticulated athletic architecture and advanced vapor permeable insulation make this technical jacket the premier choice for high output mountain missions. 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 when compressed. The streamlined, body skimming framework stacks effortlessly underneath a heavy hardshell. Weather resistant Fortius Air 20 shell