Arc'teryx Women's Atom Vest Black size:S With 25g of complete protein

With 25g of complete protein and 4g of branched chain amino acids (BCAAs) per serving

Engineered Mesh: Engineered mesh is a structure that varies the weave to offer more support and durability or flexibility and breathability

and engineered knit upper combine for a classic

The regular fit keeps things easy

Arc'teryx Women's Atom Vest Black size:S With 25g of complete proteinX000009507 002291 If you want the warmth of an Atom Hoody with a wider range of motion and smaller footprint, youre in the right place. Pull on the Atom Vest when you feel the temperature dropping on longer hikes and climbs or wear it as a midlayer under a shell for touring and wet winter objectives. The Coreloft synthetic insulation stays warm even if you run into light weather, making it a better alternative to down for high output days year round.