Best Fitness Belt for Weightlifting Olympic Lifting Powerlifting Squats Deadlift - SetWear Smart Belt- Adjustable With Lumbar Wedge Back Support & BOA Dial Closure System- Men & Women - Workout Gear Tighten the BOA dial for those heavy lifts and pull it out when you need to breathe. "WOD" friendly and is the perfect belt for CrossFit. *X-Small fits Waist size 24" and under