Bring the party with you. ChillBak™ Pack 30 is our latest innovation to keep you and your travel team well hydrated. Whether you're at the campground, a tailgate, or even your own backyard, the ChillBak™ Pack 30 keeps your cans and bottles cold while providing an extra 6 liters of water or whatever liquid will keep your party going strong. Enjoy quick refills and clean up capabilities with a spigot accessible from the exterior of the pack. Keep a beverage in one hand as you utilize the Roll top closure for single-hand access. Carry cold beverages for 72 Hours and retain Ice for 72+ Hours. Hike comfortably with padded back panel and shoulder straps with waist belt for added stability for whomever chooses to be the walking human cooler. Made with safer chemicals, earning the Repurpose Silver Sustainability Badge.