Specifications include, but are not limited to: 1) Thickness measurement: not less than 4.5 oz or more than 5 oz on standard thumb scale. Reason: In our process 82 operation, leather must meet thickness specifications for a) The sewing process, in how the leather parts are attached to each other, thickness variances increase machine wear and decreases proper alignment. b) The vulcanization process, precise calibration is routinely preformed to ensure proper fit of the leather upper (assembled leather parts) to the mold last. In effect, lowering thickness creates rubber blowouts and raising thickness creates a cutting action when the floating cast metal mold closes to entrap the leather upper to the last. 2) Embossing and strength of finish: test preformed by taking a metal key or tag and pulling it under the hide while viewing the embossing to see whether it pulls out easily. In testing the finish, the same key or tag is dragged semi-roughly across the top of the hide. a) This test is to determine whether the embossing or finish will peal within the manufacturing process. b) Review whether veins are excessive; i) veins create weak spots in the finish/embossing and can easily break through and expose the backing