Gusseted crotch allows the full range of motion

All parts are BPA-free

Mounts easily in seconds with a powerstrap cam-style mount

bead-to-bead casing resists cuts from glass and sharp objects

Crux Replacement Tube Size:O/S Gusseted crotch allows the fullCamelBak Crux Replacement Tube The CamelBak Crux replacement tube has larger diameter and offers more water per sip than previous tubes. Pair with the Crux reservoir on off valve (sold separately) for 20% more water flow per sip. This replacement tube is NOT compatible with older style Antidoteor OMEGA; reservoirs. Features: Hydroguard technology inhibits the growth of bacteria in the tube 100% free of BPA, BPS and BPF 20% more water per sip