Arc'teryx Atom Vest Women's Hydration Packs we have refined the design

we have refined the design to elevate performance

Similar in packable size to a 4L system

the Transporter Global Carry-On is a streamlined solution for efficiency on the road

For  4 L / 140 fl oz

Rubberized TPU bumper

Arc'teryx Atom Vest Women's Hydration Packs we have refined the designLight, warm, highly versatile insulation performs as a standalone and midlayer. Atom Series: Synthetic insulated midlayers . Midlayer or standalone, the Atom Vest is a proven performer across a range of seasons, landscapes and activities. With its most advanced insulation, fabrics, and design ever, this evolution builds on its legendary performance. Coreloft Compact insulation retains warmth if wet and withstands years of packing and unpacking, and