Size is as follows: M: Waist:27.5*2cm/ Crotch depth:26.5cm/ Suitable waist: 63.3-70 cm/ Weight: 40-48 kg L: Waist:29.5*2cm/ Crotch depth:28.0cm/ Suitable waist: 70-76.6 cm/ Weight: 48-58 kg XL: Waist:31.5*2cm/ Crotch depth:28.5cm/ Suitable waist: 76.6-83 cm/ Weight: 58-68kg 2XL: Waist:34.0*2cm/ Crotch depth:30.0cm/ Suitable waist: 83-90cm/ Weight: 68-78kgWarmTips : 1.For your health , you can change your underwear every 1-3 monthes 2.Please allow 1-2cm differs due to manual measurement,thanks.