When shoppers walk into clothing stores today, price tags often look as high as ever, yet the garments feel increasingly flimsy. The reason comes down to a quiet, decades-long shift in how garments are manufactured.
As Quartz reports, “Polyester became the clothing industry’s favorite way to fatten margins. Shoppers now pay premium sums for the same cheap fiber filling discount racks.” Today, polyester makes up roughly 59% of global fiber output—triple the volume of cotton. Even luxury labels are leaning heavily into synthetic textiles to protect their bottom lines. Designer Gabriela Hearst noted that luxury labels charging thousands for dresses rely on polyester that costs “maybe a couple of euros” a yard, candidly remarking, “Margins, margins… A lot of money gets spent on marketing. My industry is in for a real reckoning partly because of that.”
The economics behind the synthetic shift are straightforward. Quartz explains that “Fabric, which makes up roughly 60% of what it costs to make a garment, is the obvious place for a brand to save money.” With polyester fiber selling at roughly half the price of raw cotton, brands facing inflation and overhead pressures have systematically engineered natural fibers out of their product lines. As Quartz observes, “middle-market brands such as Gap have swapped in polyester to hold their prices,” leaving many to “charge $100 or more for clothes that feel just like Shein’s.”
This reliance on synthetic yarn has become structurally locked in. Massive petrochemical conglomerates in China now operate integrated mega-refineries that control every stage from crude oil to finished yarn, driving production costs down by roughly a third over the past two decades. Meanwhile, cotton yields face supply constraints, making an industry-wide pivot back to natural fibers cost-prohibitive. As Quartz puts it, “Over decades, chemical companies, mills, and brands made polyester the fabric of choice for margin-conscious clothing makers. A brand that wants to sell better clothes now can’t easily give it up, and shoppers end up paying higher prices for the same cheap fabric.”
While companies often tout sustainability pledges by shifting to recycled polyester, roughly 98% of recycled polyester comes from shredded plastic bottles rather than recycled clothing, and several major fashion houses have actually increased their net synthetic usage in recent years. Consumers are increasingly reading garment tags and noticing the degradation in durability, but until production economics realign, shoppers will continue paying top dollar for fossil-fuel-derived fibers.
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