Sourcing Martial Arts Uniforms Wholesale: The Gi Buyer's Guide
A gi is bought on how it looks and judged on the mat. A buyer orders on the photo; a month later the uniform has shrunk two sizes, the collar is soft and chewed, a knee seam has split under a takedown, or it fails a competition check at weigh-in. None of that shows in a listing image, and all of it is set by a few specs you can pin down before you order — specs that shift depending on the discipline. Here is how to read a gi, whatever art it's for, so the one that arrives survives the training.
Weave and weight: the spec that decides everything
A gi's fabric is described by its weave and its weight (GSM), and together they decide durability, comfort, and price. Heavier fabric lasts longer and resists grips, but it's hotter and dries slower; lighter fabric is cooler and faster but wears out sooner. The common weaves:
- Single weave — light and cheap, good for beginners and hot climates, less durable.
- Double weave — heavy and tough, the traditional judo standard.
- Pearl weave — the modern BJJ workhorse: light-to-mid weight, strong, and the best balance for most grappling.
- Gold / platinum weave — denser premium weaves for a heavier, hard-wearing gi.
A quote that won't state weave and GSM is hiding a thin, short-lived gi. Get both in writing.
Shrinkage: the number one complaint
Cotton gis shrink, and unmanaged shrinkage is the single biggest source of returns in this category. Ask one question: is the fabric pre-shrunk (sanforized)? A pre-shrunk gi holds its size through wash cycles; a raw-cotton gi can lose a full size or more, which wrecks both fit and your sizing chart. Either spec can be fine — but you must know which you're buying and size the order accordingly.
Construction: where a gi actually fails
Grappling and striking put load on specific points, and quality lives in the reinforcement:
- Reinforced stress points — knees (especially on pants), collar anchor, underarm gusset, and side seams. Bar-tacked or double-stitched, not single-stitched.
- The collar — on grappling gis, a firm rubber- or EVA-filled collar resists grips and dries faster than a soft cotton one. On striking gis it matters less.
- Stitching and cord — tight, even stitching throughout, and a strong drawstring with reinforced belt loops on the pants.
What each discipline actually needs
The fundamentals above apply everywhere, but the right gi changes by art:
- BJJ — pearl-weave tops around 350–550 GSM, ripstop or heavy-cotton pants, reinforced knees, firm collar, and room for patches. If your buyers compete, confirm the gi meets IBJJF requirements on construction and colour. See bulk BJJ gis.
- Karate — two camps: light 8–10 oz gis cut for speed in kata and kumite, and heavy 12–14 oz canvas gis for traditional training and that sharp "snap." Competition clubs may need WKF-approved cuts. See bulk karate uniforms.
- Judo — heavy double-weave, typically 650–950 GSM, built to survive hard gripping and throws; competition buyers need IJF-legal sizing and construction. See bulk judo uniforms.
- Taekwondo — lightweight, breathable dobok, usually a V-neck for WT poomsae/sparring or a traditional ribbed cut for ITF; confirm which federation your buyers follow. See bulk taekwondo uniforms.
Sizing: get the chart, not the label
Gi sizing is its own system and trips up buyers who expect standard apparel sizes. BJJ uses A0–A6 (by height and build); karate, judo and taekwondo size largely by height in centimetres. Because cotton shrinks, sizing and shrinkage are linked — a gi sized perfectly off the chart can end up a size small after a few washes if it wasn't pre-shrunk. Order from a measurement chart, confirm pre-shrink status, and check the maker grades each discipline on its own pattern rather than scaling one block across all of them.
MOQ, customisation, and private label
Dojos, academies, and federations are repeat buyers who want their own identity on the mat — club embroidery, custom patches, belt sets, and private-label neck tags turn a blank gi into the academy's uniform. A factory-direct maker with low minimums lets a club test a cut and a weight before committing a season's order; pin down MOQ per size and per discipline, and whether embroidery and patches carry their own minimum. Our full martial arts range covers gis, belts and gear with full customisation and private label. Browse wholesale martial arts uniforms to start.
Check the sample like a student will
Order a sample and pay for it, then train the decision, not just the photo. Wash and dry it two or three times and measure the shrinkage against the chart. Grip and pull the collar and the knee seams. Check the stitching at every stress point. A gi that holds its size and its seams through the wash is one you can reorder; one that shrinks a size or frays at the knees is a return — and a student who doesn't come back.
Building a martial arts line for your academy, federation, or retail range? Start with a sample and a written spec — weave and GSM, pre-shrink status, reinforcement, federation compliance, and MOQ per size and discipline. Send us your details and we'll quote it line by line. Request a quote today.
