Saddle stitching is the hand-sewing technique used by the finest leather goods makers — most famously Hermès, whose craftspeople spend years training before being permitted to saddle-stitch a Birkin or Kelly. The technique uses two blunt needles simultaneously, one on each side of the leather, passing through the same hole with a waxed thread.
The result is a stitch that is structurally different from machine stitching: each stitch is independently locked. If one stitch breaks on a saddle-stitched piece, the surrounding stitches remain intact. Machine stitching (which uses a hook-and-loop mechanism) can unravel from a single broken thread — the stitches are interdependent.
How to Identify Saddle Stitching
Saddle stitching appears as a diagonal pattern on the leather surface — each stitch visible from both sides, lying diagonally in the same direction. Machine stitching appears straight and is often uniform to the point of looking mechanical. On Hermès pieces, the saddle stitching is particularly precise and consistent; variations in tension or stitch length are red flags on a claimed authentic Hermès piece.