Pack up and head to the campgrounds with the Columbia Sportswear PFG Roll Caster 30 Can Backpack Cooler. The ThermaCool™ technology is designed to keep ice for up to 3 days, while the Ultra Safe® lining technology with Microban® ensures that your cooler maintains leak-proof and antimicrobial properties. Padded, adjustable straps make carrying a breeze and exterior pockets allow you to bring more fun items for your camping adventure.