Durable nylon weightlifting belt with self-locking buckle to keep your lower back and abdominals stable, whilst lifting heavy weights allowing for progressive overload and hitting your 1 rep max. - Nylon rip proof and extra durable fabric - Quick release buckle - In ner layer of the waistband is made of high-density EVA material - Fully adjustable for optimal fit SIZE GUIDE XS: 26-28 inches (67cm) S: 30-32 inch (80cm) M: 32-34 inch (85cm) L: 35-37 inch (92cm) XL: 38-40 inch (100cm) * Do Not Use Waist / Pant Size. Measure Around The Navel. If Between Sizes, Size Down *