Hype Haus is a boutique fitness studio at 730 South Rampart Street in the Central Business District, known for indoor cycling and strength classes. Its private Recovery Room has an infrared sauna with a maximum of 150°F, a cold plunge kept at up to 48°F and a private shower, booked as 45-minute sessions for one or with a guest. New visitors can buy three sauna-and-plunge recovery sessions for $58.