A bum bag with a bladder? Yep. Osprey managed to tuck a 1.5L hydration pack into the Seral, with enough room for trail essentials. Lets you ramble without a backpack and without loaded pockets.
- Padded air mesh back panel, for lightweight comfort and air flow
- Rear pocket fits a reservoir with room for a snack, tools and spare tube
- Includes Osprey Hydraulics® 1.5L lumbar reservoir by Hydrapak
- Magnetic attachment holds bite valve for convenient grabbing
- Reflective loop holds blinky light (not included)
