Product Details...

Durable, high quality mountain or city day pack
Features:

Ventilated back gives comfort through breathability
Water bottle pockets for hydration on the move (25 & 30 only)
Side compression system controls the load (25 & 30 only)
S-cut harness
Web waistbelt
Front daisy chain
2 main compartments
Internal zippered pockets and pen slots
Hydration compatible
Key clip