Valve Type: Features a high-flow valve with a silicone mouthpiece

Dual compound rubber for good grip and wear characteristics

Featuring extended coverage to protect more of their noggin'

Stays Dry: Sweat-proof insulation

durable grilamid frame

Osprey Siskin Hydration Pack - Dustmoss Green - 12L - 2022 - 2.5L Bladder Heavy/Bulky Valve Type: Features a high-flowThe Siskin pack strikes the perfect balance between the two extremes of not having enough storage and having too much storage so that you end up weighed down with too much gear. It's somewhat of the Goldilocks of packs as it gives you plenty of room to store and organise your gear but you won't need to hire a Sherpa to get you to the top of the hill. The main compartment has a U zip so you can open it right up and lay it flat to easily access all your