Tom Bihn Synapse 25 Good used condition- minor signs of wear, some discoloration on top of pack (see photo) Exterior- Deep Blue 525 Ballistic Interior- Wasabi 200 Halcyon Purchased circa 2018 so it has the old style shoulder straps Comes with internal frame sheet ($32 add on; not currently sold on TB website), one black key hook, zipper pulls (in a baggie, not installed), sternum strap and removable padded waist strap ($34 add on). From the manufacturer: With 30% more volume than the Synapse 19, the Synapse 25 is an everyday backpack designed with ultimate utility in mind. -Main compartment with 2 O-rings - Interior, banded open-top pocket - 5 exterior front pockets with independent volume - Breathable back panel - Removable sternum strap and waist strap - Webbing loop on exterior bottom of bag to hook items on - the outside - Meets the personal item size requirement on most airlines Generally fits folks between 5'6" and 6'6" comfortably