20% more water per sip

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

Fits inside the water bladder pouch of our Ultra pfd's!