Arc'teryx Proton Hoody Jacket 2027 – Insulator size:SM A staple product in our

A staple product in our lineup

Spectra Rodriguez Eagle 8

An adidas Trefoil logo on the chest adds a classic touch

Some of the most memorable days on the mountain are the ones with the worst weather

Their soft flex lets you get creative with side hits and natural features

Arc'teryx Proton Hoody Jacket 2027 – Insulator size:SM A staple product in ourDescription Originally engineered for climbers tackling everything from rock to alpine ice, the Arc'teryx Proton Hoody has earned its place as a benchmark breathable insulator for any high output mountain activity. It sits in that critical zone between a baselayer and a shell, managing heat and moisture during sustained effort so you stay comfortable instead of clammy. The Proton Hoody is built around 80 gsm Coreloft Compact insulation made from 100%