evo.com | Osprey Hydration Packs > Your bike buddies are sick of you freeloading off their water and snacks, it's time to pick up the Osprey Siskin 8 Hydration Pack. Loaded with useful features like carry systems for both half shell and full face helmets, tool pocket and a 2.5L hyrdration pack, the Siskin 8 is lightweight, well ventilated and built for dynamic movement; perfect for keeping things tight when your ride gets loose. Front Panel Shove-It Pocket Main 900x600D Polyester (H) 18.5" x (W) 8.5" x (D) 6.9" Osprey Hydraulics(R) LT 2.5L Reservoir by Hydrapak Helmet Carry Includes Osprey's LidLock helmet carry for traditional helmets and front panel upper compression straps for full face helmets. | Osprey Siskin 8 Hydration Pack 2026 in Blue | Polyester