Fjällräven Foldsack No.1 Backpack S-Lab Hydration compatible: yes (internal loop

Hydration compatible: yes (internal loop for bladder and button-hole hose exit on left and right shoulder)

591ml (20oz): 23

Just squeeze the sides and the lid is released

Flexible tube brush for cleaning the tube

Fjällräven Foldsack No.1 Backpack S-Lab Hydration compatible: yes (internal loopUnembellished backpack with a simple and functional design where the top can be folded down and attached to the front with textile straps and metal buckles. Made from extra strong and durable G 1000 HeavyDuty. The large main compartment can be accessed through the turned down top, and it has an inner pocket with padding at the bottom for a laptop (15 inch). The top covers an outer zippered pocket when folded down, but the pocket can be accessed