The Synchro 15 has been discontinued. If you're looking for something new, check out the best hydration packs for 2020.
Altrec Outdoors says:
A lot can happen in a day on the trail and the Osprey Syncro 15 Hydration Pack is there to help you roll with the outdoor punches. When the afternoon clouds roll in and the rain starts to fall, reach in to the zippered compartment and pull out the integrated raincover to keep the rest of your gear dry, or easily remove it to shave weight if the forecast calls for clear skies. If you decide to stash the bike and head into town, the LidLock will keep your helmet secured to your pack, or if you're in lowlight conditions a blinker light attachment lets others know you're out there. The AirSpeed suspension utilizes breathable mesh, perforated and molded waffle foam and intelligent construction to provide a pack with no hot spots and a superb fit for all-day comfort.
Historic Range: $27.97-$120.00