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, by Charlie Frost 5 Streetwear Pieces Trending This Winter
What is the Difference Between a 180GSM and 300GSM T-Shirt?
- , by Charlie Frost
- 3 min reading time
If you’ve ever shopped for high-quality streetwear or premium basics, you’ve likely seen the term GSM thrown around. But what does GSM actually mean, and how does it affect the quality and feel of a T-shirt?
Let’s break it down.
What Does GSM Mean in T-Shirts?
GSM stands for Grams per Square Metre, and it refers to the weight of the fabric. The higher the GSM, the heavier and thicker the material. For example:
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180GSM = lighter weight
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300GSM = heavier weight
While both have their place in a well-rounded wardrobe, they serve different purposes — especially when it comes to fit, durability, comfort, and breathability.
Durability: Heavier GSM, Longer Lasting
When it comes to streetwear that’s built to last, 300GSM T-shirts stand out. The thicker fabric holds up better over time, making it more resistant to shrinking, fading, and general wear and tear.
If you’re investing in long-term quality, opting for a higher GSM T-shirt means you’re getting something that won’t lose its shape or feel after a few washes.
Comfort & Structure: Why Weight Matters
A heavier tee doesn’t just feel more premium — it also offers a more structured fit. The fabric drapes better, sits cleaner on the body, and feels softer over time. Many customers describe high-GSM tees as feeling comfier, because they hold their shape without clinging to the body.
That makes 300GSM T-shirts ideal for those who love a boxier, oversized silhouette, especially popular in heavyweight streetwear.
Fabric Quality: 100% Cotton or Nothing
No matter the GSM, material matters. A truly high-quality T-shirt should be made from 100% cotton — not poly blends that compromise feel, breathability, or longevity.
100% cotton not only gives that soft, breathable comfort, but it also ages better, washes cleaner, and stays true to fit.
Summer Vibes: Why Boxy Tees Win in the Heat
Even though higher GSM sounds heavier, don’t let that put you off for summer. Boxier heavyweight tees actually keep you cooler than slim-fit lightweights because they allow more airflow between your skin and the fabric.
Unlike tight, thin tees that cling when you sweat, a structured, boxy 300GSM T-shirt stays breathable and fresh — ideal for staying cool and stylish in the warmer months.
Final Thoughts: Which GSM is Right for You?
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180GSM: Great for layering or ultra-lightweight comfort. Best for slim fits or gym wear.
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300GSM: Built for structure, comfort, and long-lasting durability. Perfect for a bold, boxy streetwear fit.
At FROST, we focus on 100% cotton heavyweight T-shirts that are crafted to deliver on quality, comfort, and long-term value. Whether you’re dressing for summer or layering up for colder months, knowing your GSM makes all the difference.