TL San Martín

Founder Sourcing · First order

Leather MOQ: From Square Feet to Pairs of Shoes

A tannery quotes its minimum in square feet, hides, or sides — the unit its drums actually process. A factory quotes its minimum in pairs. Nobody translates between the two, so the same order can sound impossibly large from one side and suspiciously small from the other.

A guide by TL San Martín, a tannery of origin in Elda (Alicante, Spain) since 1995, LWG Gold certified under the Leather Manufacturer standard.

Jorge San Martín · TL San Martín Updated: 2026-09-24 English

A tannery's MOQ is an area, not a pair count: a full hide runs 55-60 sq ft, a side 25-30 sq ft, and a custom colour needs a full drum load regardless of what you actually need. A pair of shoe uppers takes roughly 3-4 sq ft, a pair of boots 5-6 sq ft, before cutting waste. Converting one unit into the other is what tells you whether a quoted minimum is actually a problem.

A footwear factory tells a founder they need a minimum of 500 pairs per style and colour. The founder takes that number to a tannery — and gets a quote in square feet, or in hides, or in sides. Neither number means anything to the other side of the conversation until someone converts it, and most founders find out the hard way that a "small" tannery minimum and a "small" factory minimum are measured in completely different units.

This isn't a pricing trick. A drum processes hides and sides, not shoes, so that's what a tannery counts. Once you can move between the two units yourself, you can tell in advance whether a quoted minimum is actually a problem for your order — or a number that sounded scary for no reason.

Why does a tannery's minimum sound nothing like a factory's minimum?

A shoe factory's minimum order quantity is a production-line number: how many pairs make it worth setting up a pattern, a last, and a cutting run for one style and colour. A tannery's minimum is a drum number: how much area has to go through one tanning or dyeing cycle to make that cycle worth running.

What it measures Typical unit Who sets it
Factory MOQPairs per style/colour worth a production runPairsShoe factory
Tannery MOQ (stock colour)Area worth invoicing and shippingSq ft, hides, sidesTannery
Tannery MOQ (custom colour)Area a drum can dye in one cycleSq ft, hides, sides — usually higherTannery

Nobody is wrong. They're answering two different questions with two different rulers, and a founder who doesn't convert between them ends up either over-ordering leather for a small factory run, or walking away from a tannery minimum that would actually have covered the order comfortably.

How many hides or sides is a typical tannery minimum?

It varies far more than founders expect, and it isn't tied to reputation or quality — it's tied to how a specific tannery batches its drums. Some well-known US tanneries work from a single side; others set a ten-side floor before they'll open a cutting order at all. Read the number in sides, not in an abstract "minimum order," and ask what a side means in square feet for that specific hide type before you compare two quotes.

How do square feet convert into pairs of shoes?

This is the conversion founders usually never see written down. Industry hide-size references put a full cowhide at roughly 55-60 sq ft and a side (half a hide) at 25-30 sq ft. A pair of shoe uppers typically consumes 3-4 sq ft of leather before cutting waste; a pair of boots, with more upper and quarter panels, runs 5-6 sq ft. The gap between those two numbers is cutting yield — how much of the hide's area actually becomes shoe versus falls as trim, and it moves with the pattern's nesting, not just the cutter's skill.

Tannery minimum Roughly this many sides Pairs of shoes at 60% yield Pairs of shoes at 85% yield Pairs of boots at 60% yield
500 sq ft~18-20 sides~75-100 pairs~105-140 pairs~50-60 pairs
1,000 sq ft~35-40 sides~150-200 pairs~210-285 pairs~100-120 pairs
2,000 sq ft~70-80 sides~300-400 pairs~425-570 pairs~200-240 pairs

The range in each cell is the point: a 1,000 sq ft minimum can clear your factory's 500-pair MOQ comfortably at a good yield, or fall short of covering two colourways at a poor one. Ask your pattern engineer for the actual nesting yield on your last before you compare a tannery's number against your factory's — don't assume the 60% floor or the 85% ceiling without checking.

Does the minimum change if you want a custom colour?

Yes, and this is where founders get caught out even after doing the area math correctly. A stock colour draws from leather already tanned and sitting in inventory, so the practical minimum is close to zero — you're buying off a shelf. A bespoke shade has to go through its own dye cycle, and a tannery won't run a drum half-empty for one small order. The minimum for a custom colour is set by the drum's capacity, not by your order size, which is why ordering from crust rather than raw hide can lower that minimum — it's a smaller, already-tanned starting point that still needs its own dye run, but a shorter one.

What if the math still doesn't clear the minimum?

If your first order genuinely can't fill a drum on its own, the honest options are a stock colour for run one, a smaller tannery that batches in shorter cycles, or pooling your order with another small brand on the same dyed batch — which works, but costs you some control over exactly when and how much you can reorder. None of these is a workaround to be embarrassed about; they're the normal first-order path for a founder who hasn't hit the volume yet where every colour gets its own drum.

Leather MOQ is one of the first numbers a footwear brand negotiates, and it's rarely the deal-breaker it first sounds like — but it's also worth comparing notes with founders who've already been through their own first order. TL San Martín runs an open, free B2B board — The Open Board — where footwear brands, tanneries, and factories post real sourcing questions and requests for quote. If you're still working out what a realistic first order looks like for your style, post it under Materials and get answers from people who've quoted the same drum-load math.

Frequently asked questions

What's the difference between a hide and a side?

A hide is the whole skin from one animal; a side is a hide split down the backbone into two roughly equal halves. Tanneries often quote and cut in sides because a full hide can be too large and heavy to handle efficiently through some machines, and a side is closer to the size most footwear patterns actually need.

Does a pair of boots really need that much more leather than a pair of shoes?

Yes — a boot's upper extends higher on the leg, adding a shaft and often a separate quarter panel, which is why the typical range moves from roughly 3-4 sq ft for a shoe pair to 5-6 sq ft for a boot pair. Ask your pattern engineer for your specific style's real consumption rather than using either figure as a fixed rule.

Why did two tanneries quote me completely different minimums for the same colour?

Because their drums are different sizes and they batch differently — a smaller, more artisanal setup may run shorter cycles at a genuinely lower minimum, while a larger operation needs a bigger batch to make the same colour run worthwhile. Always ask for the minimum in sides or square feet, not just as an unlabelled number, so you can compare it against your own cutting yield.

Can I split one dye lot across two different shoe styles to hit the minimum faster?

Usually yes, as long as both styles use the same leather article, thickness, and finish — the drum doesn't know or care which pattern the leather eventually becomes. Confirm this with your tannery before you commit two styles to one order, since some minimum structures are set per invoice line rather than per colour.

TL San Martín tans and finishes leather in Elda, Alicante, since 1995: LWG Gold under the Leather Manufacturer standard — the only standard under which a Gold medal exists at all; a Trader tops out at “Approved”. Request samples before you specify anything.