Body part is 15cm wide waist plus Hemming, Belt with arc transition design, ergonomic force protection needs, Stainless steel square buckle belt buckle, Divided into four yards, EVA length of the body portion is 81cm 91cm 105cm 120cm respectively. Recommended Reference: S No. waist 60--85cm, M No. waist 73--95cm, L No. Waist 80--110cm, XL No. waist 100-125cm.