what is GSM? the ultimate guide to heavyweight cotton in streetwear.
ever bought a graphic tee online, opened the parcel, and realised it felt like a soggy paper towel after one wash? we’ve all been there. if you’ve ever wondered why premium streetwear feels thicker, drapes better, and survives the laundry cycle without shrinking into a crop top, the secret comes down to three letters: GSM.
quick answer: what is GSM in clothing?
GSM (grams per square meter) is the standard unit used to measure fabric density and weight. a higher GSM means a denser weave, heavier weight, and superior durability. GSM measures how much one square meter of fabric weighs, directly influencing how a garment fits, feels, and holds its shape over time.
| GSM range | fabric weight class | typical feel & structure | ideal garment example |
| 120 – 160 GSM | lightweight | thin, sheer, fast-fashion feel | cheap promo tees, undershirts |
| 170 – 200 GSM | midweight | soft, breathable, standard drape |
simple. fitted vest (180 GSM)
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| 240 – 300 GSM | heavyweight | stiff, dense, boxy silhouette |
simple. t-shirt (240 GSM)
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| 320 – 400+ GSM | ultra heavyweight | thick, warm, structured fleece/terry |
simple. hoodie (350 GSM) & 1/4 zip (400 GSM)
|
why heavyweight cotton hits different in streetwear
when you pick up a heavyweight t-shirt 240 GSM, you’re paying for structural integrity. lightweight tees cling to your body, but high-GSM organic cotton drapes cleanly off the shoulders to deliver that coveted boxy fit.
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retains shape: heavy ring-spun cotton naturally resists warping, twisting, and collar baconing after washing.
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clean streetwear drape: dense weaves stay stiff enough to hold clean architectural lines rather than clinging awkwardly.
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built for longevity: heavy organic cotton handles continuous wear and washing without thinning out or pilling easily.
350 GSM hoodie meaning: decoding our lineup
what does a 350 GSM hoodie meaning actually translate to when it lands on your doorstep? it means instant weight, double-layered hood structure, and zero flimsy fleece. here is how we engineer fabric weights across our tops and layers collections so you know exactly what you’re getting:
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240 GSM (heavyweight tee): featured in our simple. t-shirt and simple. long-sleeved t-shirt. crafted from 100% organic ring-spun combed cotton with wide twin-needle topstitching for a boxy fit that holds its shape.
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350 GSM (very heavyweight fleece): built into our simple. hoodie and simple. sweatshirt. dense, fabric-washed organic cotton with double-layered hoods and heavy neck tape designed for maximum heft.
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400 GSM (ultra heavy terry): found in our simple. heavy 1/4 zip. heavy dry-hand-feel organic French terry for maximum warmth and structure.
if you’re searching for the best heavyweight streetwear brand feel without taking life too seriously, checking the GSM rating is your ultimate cheat code. explore our latest tops and layers collections to upgrade your wardrobe with premium heavyweight organic cotton made to last.
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