20% more water per sip

Lumbar design shifts water weight to your lower back for more stability on the trail

Leak-proof cap is easier to open and close

On/off lever lets you seal your drinking tube shut with one hand

Hydroguard™ technology inhibits the growth of bacteria in the reservoir and tube

Big bite valve self-seals after each drink, eliminating annoying drips

100% free of BPA, BPS and BPF