Arcteryx Atom Jacket Women's Size:Small 5-liter reservoir with a bite

5-liter reservoir with a bite valve that attaches to your sternum strap via magnet

Transparent housing lets you see if your filter needs cleaning and easily identify potential blockages

including an elasticized arch brace

TURNAMIC® gives you dynamic skiing performance like never before

Arcteryx Atom Jacket Women's Size:Small 5-liter reservoir with a bitePerforming as midlayer and standalone across a broad range of activities and output levels, the iconic Atom is an Arcteryx mainstay. Over time, they have refined the design to elevate performance, improve durability and extend its versatility. Its Coreloft Compact insulation retains heat when wet and withstands repeated packing and unpacking. Light, soft and durable, the Tyono 20 face fabric resists wind and weather, and stretch fleece side panels