The WOD Nation 4 inch weight training belt is a Premium Weightlifting belt for all your Crossfit, Powerlifting & Olympic lifting needs. Designed and used by competition athletes this belt is perfect for all athletes no matter your level. PREMIUM SUPPORT AND COMFORT You worry about your workout and let us worry about your back. This weightlifting belt not only offers first-class support but is also super comfortable. We used the best possible material to make this your weight belt from competitions to everyday workouts. HOW TO MEASURE Fits both men and Women. Measure around the waist with a tape measure; position it on your belly button then around your lower back. Pull the tape snug and take your measurement there. DO NOT measure around your hip bones like you would a pair of jeans as this in now where you ware the belt. * Small 27-32" Waist * Medium 32-35" Waist * Large 35-39" Waist * X-Large 39-43" Waist