ExtremeMist® Personal Cooling Systems Take your summer back with our revolutionary cooling solutions! A hydration backpack that cools the air up to 30 degrees? A fan that creates a comfortable climate wherever it's set up? A kit that makes a tent, canopies, golf cart or boat an air-conditioned oasis? The secret is our Blue Pump Technology that powers misting systems that emit clouds of ultrafine refreshing mist everywhere you go. Enjoy all the benefits of mist cooling with our Misting & Drinking Hydration Backpack, 3-n-1 Misting Fan, and Portable Misting System Quad Kit. Stay Cool!