The Grid Class was voted one of the best workout of the year in 2011. You can read the entire Camera story here.
The Grid is a high-energy cardio-centric circuit class with minimal rest time between exercises, so you get your heart rate way up. The moves are all functional and work the whole body. Some classes incorporate the boxing ring in the middle of the room -- but don't worry: Streets Fitness is not in the least bit cocky, and one of the most encouraging and welcoming fitness centers in Boulder County.