GSM stands for Grams per Square Metre. It is the standard measurement for fabric weight, and it tells you more about a piece of clothing than the brand name ever will. Understanding GSM will completely change how you shop for clothes.
What Does GSM Actually Mean?
Simply put, GSM measures how much a one-square-metre piece of fabric weighs in grams. A higher GSM means a heavier, denser, thicker fabric. A lower GSM means lighter and more breathable. It is not just about warmth — it is about durability, structure, feel, and how the garment hangs on your body.
GSM Ranges and What They Mean
100–150 GSM: Very lightweight. Think summer t-shirts and casual innerwear. These breathe well but do not last long with heavy use.
160–200 GSM: Standard t-shirt weight. Most mass-market clothing falls here. Decent comfort but lacks structure and premium feel.
200–260 GSM: Medium weight. Good quality sweatshirts and mid-layer pieces. Holds shape better and feels more substantial.
300–400 GSM: Heavyweight. This is the premium range for hoodies, sweatshirts, and fleece. 320 GSM is considered the sweet spot — thick enough for real warmth, structured enough for a clean silhouette, and durable enough to last years with proper care.
Why 320 GSM is the Gold Standard for Hoodies
At Chahatein, we use 320 GSM 100% ring-spun cotton fleece for our hoodies and sweatshirts. Ring-spun cotton is made by twisting and thinning the cotton fibres to create a smoother, stronger yarn. This means the fabric is softer to touch, more durable under stress, and dyes more evenly — which is why our garment-dyed pieces have that deep, rich colour that holds wash after wash.
How to Check GSM When Shopping
Most brands do not advertise GSM. Here are quick ways to check: hold the fabric up to light — if you can see your hand through it, it is lightweight. Give it a scrunch — premium fabric bounces back immediately. Check the label for fabric composition — 100% cotton at 320 GSM will feel completely different to a cotton-polyester blend at the same weight.
Next time you shop, ask about GSM. It is the one number that separates genuinely premium clothing from everything else.