SIZE CHART: XS: length 82cm/32inch, waist23-25inch; S: length 92cm/36inch, waist 24-34inch; M: length 102cm/40inch, waist 29-34inch; L: length 112cm/44inch, waist 33-37inch; XL: length 120cm/46inch, waist 36-40inch; XXL: length 130cm/51inch, waist 39-44inch. Material: Diving fabric-Neoprene PREVENT INJURIES A well-made workout belt provides proper lumbar/lower back support so you can reduce the risk of dangerous injuries while doing squats, power cleans, dead lifts, clean and jerks and other lifting exercises. SUPPORTS CORE STRENGTH Your abdomen and back muscles play the biggest role in your overall physical stability. Support exercise goals with this versatile Cross Training belt and youll enjoy a stronger, more improved core. LIGHTWEIGHT & ADJUSTABLE - This contoured gym belt not only works for a wide variety of exercises, its slim enough to fit in any gym bag so you can use it at home or at the gym. Better yet, it quickly adjusts to fit both men and women.