Wim Hof is the Ice Man for his invulnerability to cold. He climbed Mt. Kilimanjaro in 2 days and ascended 24,000 feet of altitude at Mount Everest barefoot and in shorts! He holds the Guinness World Record for the longest ice bath clocking in at 1 hour 13 minutes, and 48 seconds. Wim taught himself to control his heart rate, breathing, and blood circulation enabling him to perform these superhuman feats.