Crux Reservoir 3L Size:One Size Coated nylon outer bag with

Coated nylon outer bag with waterproof plastic inner bags

17mm sheepskin insole

90% Elastolefin(Olefin)

Cartridge replacement indicator Yes

Seatpost Diameter: Fits ø27

Crux Reservoir 3L Size:One Size Coated nylon outer bag withAthletes, customers and colleagues told CamelBak they wanted a reservoir that delivered more water per sip, with a foolproof design that made it easy to fill up and hit the trail. The brand new Crux delivers 20% more water per sip, with an ergonomic handle for easier refilling, and an on off lever that makes it easy to prevent leaks. Offers 20% more water per sip Leak proof cap is easier to open and close On off lever lets you seal your drinking tube