105F is a yoga and fitness studio that serves clients in Oak Park and its surrounding areas. It offers a variety of yoga exercise programs, including Pilates, vinyasa, and yin yoga classes. Each class consists of 60- or 90-minute workout segments suitable for novice and advanced yoga enthusiasts. John Marcoux, the facility's owner and founder, was a lawyer for six years who established a chain of yoga studios across the city. He currently manages and teaches in all three 105F studios.