One day he sees a future of gyms across the country with cold chambers, assault bikes, ice baths, and swimming pools all working together to help add environmental conditioning to any serious athlete’s workout routine. I am exhausted, but the idea feels right. It might not be long until there are XPT centers facing off against Bikram yoga studios and CrossFit centers across the United States and Europe. And, yet, part of me also wonders if most people really need perfect optimization to achieve a good workout. Indeed,