Atom SL Jacket Men's

Ultralight, Packable Insulation.

The Arc’teryx Atom SL Hoody is built for mild conditions and high-output activities, delivering just the right amount of warmth without excess bulk. Coreloft™ Compact insulation provides lightweight thermal performance, while the Tyono™ 20 shell offers breathability and wind resistance. Stretch fleece side panels enhance mobility and ventilation, and the streamlined collar layers comfortably under a shell. Highly packable, it’s ideal for fast-moving adventures in shifting weather.