For over 20 years COOLSHIRT SYSTEMS LLC has manufactured Surgeon COOLVEST SYSTEMS. Our Surgeon COOLVEST SYSTEMS have been used by over 15,000 Surgeons, in over 1500 Hospital facilities worldwide, to remain comfortable & perspiration free during surgery! Whether you operate for 3 hours, or 15 hours, COOLSHIRT SYSTEMS has a High Performance COOLVEST SYSTEM for the job. COOLSHIRT Systems is the world leader in personal cooling products. All COOLSHIRT SYSTEMS products are proudly manufactured in the U.S.A.!