Arc'teryx Proton SL Hoody Men's women's fleece jacket and the signature Kuhl difference

and the signature Kuhl difference

Stretch synthetic insulation is breathable

Sustainable Materials:

Lining: 100% Recycled Polyester

Arc'teryx Proton SL Hoody Men's women's fleece jacket and the signature Kuhl differenceClimb comfortably in our lightest, most breathable fully insulated hoody. The Proton SL Hoody was previously the Proton Lightweight Hoody. The lightest, most breathable option in our Insulation Collection, the Proton SL Hoody takes the guesswork out of warming up on cold climbs and other high output activities in cool conditions. The knit insulation holds its loft and shapeno matter how often you stuff it into the bottom of your pack. More