GSM means grams per square metre — the weight of one square metre of fabric. On a t-shirt it tells you how thick, heavy and durable the cloth is. That is the definition, but what it means for the tee on your back is more useful.
What is GSM in a t-shirt?
GSM (grams per square metre) measures fabric weight. Take one square metre of the cloth, weigh it, and you have the GSM. T-shirts run from about 130 GSM (paper-thin, cheap) up to 300 GSM (heavyweight, structured). Most everyday tees sit between 150 and 240 GSM.
What does a higher GSM mean?
A heavier fabric. A 240 GSM tee is visibly thicker, drapes straighter and hides the body more — which is why oversized and streetwear tees run heavy. Heavier also generally means longer-lasting, because there is simply more cotton to wear through.
Is 180 GSM good for a t-shirt?
Yes, and for daily wear it is the sweet spot. A 180 GSM tee is light enough for Indian summers, keeps its shape and never feels flimsy. Hold a 130 GSM tee up to light and you can see through it; you cannot through 180 GSM.
What is 240 GSM used for?
240 GSM is the heavy end of standard tees. You find it in premium blanks and streetwear drops. It feels substantial, holds a print well and suits oversized fits. The trade-off is warmth — on a humid Mumbai afternoon, you will notice it.
What GSM should I pick for Indian weather?
For regular fits and year-round wear, 180 GSM. For an oversized or boxy look, 220–240 GSM. Skip anything under 150 GSM unless it is a gym or inner layer. Fabric weight beats brand name every time — an unknown 180 GSM tee beats a famous 140 GSM one.
Does GSM alone decide quality?
No. GSM is weight; quality also depends on cotton type (combed cotton is smoother and pills less), stitching and the print. A good everyday tee combines 180 GSM with combed cotton and a clean crew neck, like the Unisex Classic Crew T-Shirt, which we cut at 180 GSM for Indian conditions.
