The Ultimate Guide to Our Women’s Boxing Classes Welcome to PSB Fitness, your new local 24/7 women's gym with boxing classes in Mississauga! We are a women's-only boxing gym conveniently and accessibly located in the heart of downtown Mississauga within Sheridan College’s Hazel McCallion Campus, a few short minutes away from Square One Shopping Centre, … Continue reading 24/7 Women’s Gym with Boxing Classes in Mississauga