Bladder Insulators for Platypus Big Zip and Hoser (BigZip 3.0L);

Just like the beer koozie, Bladder Insulators will insulate your Platypus® BigZip or Hoser reservoir Hydration pack water bladder. Insulate your water bladder reservoir before you put it in your pack or carrier. ****There are many sizes, shapes, and models. If your water bladder doesn't match or has different measurements than listed on the size chart, please Contact Us so we can get you the right Insulator.... Please see all our listings or shoot us an email.