WARRANTY ANNOUNCEMENT: A limited amount of VestPacs sold within the last 2 months may have been exposed to extreme temperature changes while shipping. In a few cases, this caused the plastic bite valve to weaken and crack during the first use. If you purchased one of these VestPacs, you may notice a tiny leak around the mouthpiece or have difficulty drawing water through the tube. To find out if the mouthpiece on your recently purchased VestPac has this problem, take a look at the blue plastic between the hose connection and the swivel. If you see a crack or dark seem, please contact us at 307-733-5884 or firstname.lastname@example.org to submit a claim and receive a free replacement. We sincerely apologize for any inconvenience.