Arc'teryx Men's Atom Vest Size:L Internal J-Bars - Eliminate heel

Internal J-Bars - Eliminate heel lift within the biding for great control and help support the ankle

Thoughtful overlays add structure and durability in high-wear zones

ensuring that every detail—from the thread color to the snap closure—is intentional

Featuring the brand‑new Altra EGO™ FLO supercritical midsole foam infused with nitrogen

it feels velvety soft while efficiently wicking moisture to keep you dry

Arc'teryx Men's Atom Vest Size:L Internal J-Bars - Eliminate heelThe latest generation of the lightweight Atom Vest brings upgraded stretch performance, enhanced thermoregulation, and durable weather protection to your layering system. Built as a versatile core insulator for mid to high output trail activities, it features breathable synthetic insulation and air permeable side panels so you stay warm without overheating. Key Features Lightweight Weather Protection: Crafted from Fortius Air 20 nylon plain weave