Please select one size bigger if you want regular.
US Small=China M:Length:36.22"(92cm),Waist:28.35"(72cm)
US Medium=China L:Length:36.22"(92cm),Waist:29.92"(76cm)
US Large=China XL:Length:36.22"(92cm),Waist:31.50"(80cm)
US X-Large=China 2XL:Length:36.22"(92cm),Waist:33.07"(84cm)