Tony Lama ZR boots size 8-8.5

Tony Lama ZR boots size 8-8.5. Preowned as-is. The right boot interior says 8D 3R 11 31 507951 S036, the left boot interior says 81/2 D 3R 11 31 307960 S036. Good condition overall. Normal wear from use. Im not sure if one boot is larger or smaller by 1/2 or if they fit size 8 up to size 8.5. The left boot measures 11.75 from heel to toe and the right boot measures 11.5 from heel to toe. Please do your own size research as my store policy is to not accept refunds or returns.