These shorts fit on the tight side just like all Sombrio clothing. Buy one size larger than you normally wear . Typically, I always fit into size medium shorts with a 32" waist. I ride size large Sombrio. I also wear under my riding shorts the 661 "Bomber Combo Shorts". I suggest you do the same. The Bomber under short has protective panels that have saved my thighs many times. - Ergonomic 500 Denier Cordura short with 4 way stretch accents. - Coolmax dimple mesh waistband facing provides ultimate comfort. - Burly ?Bartack? stitching throughout crotch and all stress zones provide maximum durability and a long life. - Unique 6 panel side gussets, detailed with distressed ? Phoenix? prints. - Camouflage wick away mesh liner + stealth zipper stash pocket. - Embossed rubber logo snaps, pull tabs and trim. - Sombrio custom waistband tension system guarantees optimal fit.