ExtremeMist Personal Cooling Systems. Portable misting experts with two main product lines based out of Scottsdale, Arizona. Personal Cooling System (PCS) our main product line was, introduced to the outdoor community as a 2-in-1 hydration backpack with a built-in Mist Cooling System for personal cooling and other portable outdoor misting applications. Our line misting systems are intended for side by sides, hunting blinds, canopies, or anywhere cooling is needed. No spigot, no electrical outlets, no problem. Our new GoMist Misting bottle is a huge hit! We are the portable solution (less)