REI Co-op Flash 18 Pack

Breathable, stretch-mesh shoulder straps have fold-over padding that softens contact with your neck and shoulders
Back panel is lightly padded; pad slips out for use as a sit pad
Hipbelt and sternum strap can be detached to save weight
Updated pack shape makes loading and access easier
Hydration-compatible design includes a hose exit port and an internal sleeve for a reservoir (reservoir not included)
Single-handed, quick-pull drawcord with small weather flap seals top
Pack exterior has a zippered pocket and daisy chain with ice-axe loop
Exterior loops can be used to lash on extra gear, add compression or tie the Flash 18 to a larger pack