Atom Sling 8L Size:One Size the Siren 4 Thermo is

the Siren 4 Thermo is uniquely engineered to cradle the distinct contours of female feet

A VCI-infused resin and foam emitter blocks rust and corrosion 5x longer than competing products (per accelerated lab testing)

ALTA 50 FEATURES

ASTM F2892 EH rated

75” center back

Atom Sling 8L Size:One Size the Siren 4 Thermo isOn a bike, in boots or catching the bus, this take it everywhere 8 liter sling pack has enough storage to keep you prepared, with a close carrying fit and organization to keep you comfortable. Fair Trade Certified sewn. ______________________________________________________________ All fabrics, spacer mesh and static mesh are 100% recycled (stretch mesh is 84% recycled), body has a PFC free DWR finish (durable water repellent coating that does not