MYNEKO Unisex 3D Padded Bicycle Cycling Underwear Bike Liner Shorts Pant - Polyester&Spandex, Pad - Silica Gel Imported NOTE:The size runs smaller than US, please check the size chart before your order. We recommend one size larger to buy. If you have a big waist or muscular body, please choose 2 sizes larger. Made from super soft fibers, easy air flow fabric allows your mesh underwear to keep you cool and dry as you ride. Shock-proof pad :2cm thickness 3D pad (cushion and silicone gel) of the bike underpants has a good buffer effect.suitable for most people for safe ride. Shock-proof pad :2cm thickness 3D pad (cushion and silicone gel) of the bike underpants has a good buffer effect.suitable for most people for safe ride. MYNEKO Direct Recommend Size chart( 1/2 waistline ): S=27-29" M=29-31" L=31-33" XL=34-36" 2XL=36-39" 3XL=39-42"