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

oval cross lock hatch (center)

feel-good construction

exceeding their criteria with a minimum of 90% bluesign® approved fabrics/yarns

Thinksport is setting the standards in safe

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