A budget jiu-jitsu gi is usually made from the same raw materials as an expensive one, just cut and finished with fewer extra steps. Most cheap jiu-jitsu gis use a cotton-poly blend rather than 100% cotton, and that's not automatically a downgrade: the blend costs less to source, holds its shape better wash after wash, and dries faster between sessions. Straight cotton feels softer against the skin and takes dye a little more evenly, but it also shrinks more unpredictably unless the fabric was pre-shrunk at the mill. Fabric sourcing is the single biggest line item behind any gi's price tag, so a lower price almost always starts with a cheaper or thinner base cloth rather than a shortcut in how the pieces are sewn together.
Weave matters as much as material. Single weave fabric is thick and stiff at first, usually sitting in the 700 to 950 GSM range, and it's the cheapest weave to produce because the loom pattern is simple. Pearl weave costs a little more to manufacture but breaks in faster and breathes better, which is why it shows up on a lot of the better value gis in this price range even though it's not the absolute bottom of the market. Gold weave and ripstop fabrics run lighter still, often under 450 GSM, but that lighter construction rarely lands at the cheap end of the market because thinner cloth needs tighter, more expensive weaving to stay strong. Double weave, the heaviest and priciest option, almost never appears at this price point either, since the extra fabric and reinforcement work push labor costs up fast.
Stitching is where a lot of cheap gis actually separate from each other in quality. Bar-tacked stitching at the collar, cuffs, and skirt of the jacket handles repeated gripping and pulling far better than a single straight seam, and it's worth checking a product's close-up photos for that detail before buying rather than assuming price alone tells the story. A gi with reinforced knee panels and a doubled collar can hold up fine for months of drilling even at an entry-level price, while a plain single-stitch seam in the same price bracket might not survive a hard training camp. Thread quality plays a quiet role here too, since a synthetic thread resists fraying under repeated grip pressure noticeably longer than a basic cotton thread does.
Sizing is the trap most first-time buyers fall into. Pre-shrunk fabric loses maybe two to three percent of its size after a hot wash, so ordering true to size works fine. Fabric that isn't pre-shrunk can lose noticeably more in the first few washes, which means sizing up on purpose and expecting the gi to shrink into place, then switching to cold water afterward to slow further shrinkage. Mixing up which type you bought is how someone ends up with a jacket that won't close or pants that stop above the ankle. Laying a gi you already own flat and comparing panel measurements against the size chart, rather than trusting the size label alone, catches most of these mistakes before the order ships.
None of this makes a cheap gi the wrong call. Choose a budget gi if you're new to the sport and don't know yet whether you'll stick with it, because there's no reason to spend on a premium weave before you've logged real mat time. Choose it too if you need a second or third gi for a gym that trains daily, since rotating uniforms matters more than any single one of them being top tier. Avoid the cheapest end of the market if you're already competing regularly and need a gi that survives repeated hard washing without the collar collapsing, and prioritize a mid-weight pearl weave over rock-bottom single weave if your gym runs hot and breathability matters more than raw toughness. Competitors specifically should confirm their federation's weave, color, and patch requirements before a tournament, since rules vary and a budget gi that isn't technically compliant is still a wasted purchase no matter how little it cost. Whatever the price tag, cold water washing and air drying instead of machine heat is the cheapest way to add real months to any gi's working life.