Vintage Polo Ralph Lauren Pants Chambray Cargo Buckle Back Blue 40x29 USA Made

Vintage Polo Ralph Lauren Pants Chambray Cargo Buckle Back Blue 40x29 USA Made Very rare item from Ralph Lauren, could not find anything like it through sold/active listings. Tagged as 40x32 but inseam measured to be 29". Approx 2.25" to let out at inseam. Faint yellowish staining at right hip area, otherwise great vintage condition. Judging by how clean the size tag is they likely weren't worn much.