How the Iran War Broke Surat's Dyeing Factories — and What It Means for Your Next Shirt

A war fought over the Strait of Hormuz is quietly rewriting what Indian clothing costs to make — and polyester is taking the hardest hit. Here's the real chain reaction, from crude oil to your cart.

The war, in plain terms

On 28 February 2026, the United States and Israel launched coordinated military operations against Iran, targeting nuclear infrastructure, missile sites, and command centers — an escalation serious enough that Iran's Supreme Leader was reportedly killed in the strikes. Iran retaliated with large-scale strikes on Israeli territory and US military bases across the Gulf. What matters for anyone buying or selling clothing in India isn't the politics of it — it's geography. The conflict sits directly on top of the Strait of Hormuz, the narrow waterway that roughly a fifth of the entire world's oil and liquefied natural gas physically passes through every single day.

Because almost nothing in modern textile manufacturing is actually disconnected from oil. Not just fuel for shipping — the plastic feedstocks that become polyester, the chemicals that fix dye to fabric, even the packaging your shirt ships in. When the Strait of Hormuz gets disrupted, it doesn't just make petrol expensive. It makes an entire manufacturing chain more expensive, several layers removed from anything that looks like "oil" to an ordinary shopper.

The number that started it: Brent crude past $100

Brent crude, the global oil benchmark, surged more than 40% in March 2026 alone, breaking past $100 a barrel — a level serious enough that J.P. Morgan's own research desk warned it could shave a real 0.6 percentage points off global GDP growth if it held through mid-year. Roughly $20-25 billion worth of petrochemical products pass through the Strait of Hormuz every year, according to Rabobank, which is exactly why the shockwave reached a Surat dye factory instead of staying contained to petrol stations.

Why polyester specifically is bearing the worst of it

Polyester is made from oil-derived feedstocks — purified terephthalic acid (PTA) and monoethylene glycol (MEG) — and accounts for 59% of the world's entire fibre production, more than every other fibre combined. Madhu Sudhan Bhageria, managing director of Filatex, one of India's largest polyester yarn producers, told Reuters his company is now paying nearly 30% more for these exact feedstocks, as both Middle East supply disruption and rising Chinese supplier prices squeeze the market simultaneously. Wood Mackenzie data shows polyester staple fibre in India jumped from ₹100 per kilogram at the end of February to ₹126.5 just a month later — easing slightly to ₹120 after the government cut import tariffs on petrochemical raw materials, but nowhere near back to where it started.

Surat: where the crisis has a real address

Surat, in Gujarat, is India's largest hub for textile dyeing and printing — and it's where this crisis has become most visible in human terms, not just spreadsheet terms. Avichal Arya, CEO of Bindal Silk Mills, which supplies dyed and printed polyester fabric to H&M, Zara-owner Inditex, Target, Walmart, and IKEA, told Reuters the energy crisis had "drastically" pushed up the cost of chemicals and dyes — and that a shortage of cooking gas linked to the war has driven migrant workers to leave the city entirely, straining the labour Surat's dyeing industry depends on.

Kailash Hakim, president of the Federation of Surat Textile Traders Association, confirmed dyeing and printing factories have cut down from six working days to five — shut two days a week instead of the usual one. His warning was blunt: if the situation persists, raw material shortages will start forcing outright factory closures, not just shortened weeks.

Partly, honestly. Dye and chemical costs hit any colored or printed fabric, cotton included — that part of the crisis doesn't discriminate by fibre type. But the raw fibre cost itself tells a different story: cotton yarn is up a real 20%, while polyester's core feedstock is up 30%, and that gap exists specifically because cotton comes from a farm, not a barrel of crude. It's not immunity. It's a meaningfully smaller blast radius.

The number that shows this isn't just a Surat story

This is showing up in national trade data, not just factory-floor anecdotes. RK Vij, National President of the Textile Association of India, put real figures on it: raw material costs surged 25-32% industry-wide, while yarn prices have only risen 12-15%, because weak downstream demand is preventing manufacturers from fully passing costs through — meaning many mills are simply absorbing the loss. Vij said nearly 40% of India's fibre and yarn units have shut or reduced operations due to the resulting unviable economics.

India's manufacturing PMI — a real-time gauge of factory activity — dropped to 53.9 in March 2026, a 45-month low, the weakest reading since September 2021. Textile and apparel exports for the month fell 9.91% and 18.99% respectively, a combined 14.02% sector decline directly tied to the conflict's cost pressure and demand disruption, on top of rising freight costs and shipping delays as vessels navigate around a genuinely dangerous chokepoint.

What actually happens next, and why it's not fully resolved

A preliminary deal to end the US-Israel-Iran war was reached in mid-June 2026, and oil prices did fall to a three-month low on the news — but industry analysts were clear that consumers wouldn't see real relief at the pump, or in fabric costs, for months, not days. Damaged infrastructure, disrupted logistics networks, and elevated shipping risk don't reset the moment a ceasefire is signed. If you've noticed shirt prices creeping upward over the past several months, this is very plausibly a real part of why — not inflation in the abstract, but a specific, traceable chain from a war half a continent away to a dye vat in Surat to your invoice.

Why this matters even if you never think about geopolitics

The uncomfortable lesson here isn't really about Iran, Israel, or the US — it's about how thin the line is between "a war in the Middle East" and "why did my shirt get more expensive." Modern clothing manufacturing is genuinely global and genuinely interconnected: a strait most people couldn't find on a map controls a fifth of the world's oil, oil controls the price of the plastic that becomes polyester and the chemicals that fix dye to any fabric, and those costs move through Surat, through Tiruppur, through Gandhi Nagar, and eventually land in a price tag. Understanding that chain doesn't make the war less serious — if anything, it makes clear how far its consequences actually travel.