Not all hoodies are built the same — and once you've worn a genuinely heavyweight one, you can feel the difference in seconds. If you've seen "400GSM" on a product page and wondered what it actually means, here's the honest breakdown.
What GSM Actually Measures
GSM stands for grams per square meter — the weight of the fabric itself, not the finished garment. A typical mass-market hoodie sits around 240–280 GSM: thin enough to see light through, light enough to lose its shape after a few washes. At 400 GSM, you're in premium territory — the same weight range used by heritage sportswear houses and denim mills for garments meant to last years, not seasons.
Why Weight Changes Everything
Heavier fabric holds structure. It drapes instead of clinging, keeps its shape through the drop-shoulder and ribbed cuffs, and resists the pilling and thinning that turns a cheap hoodie into a rag by winter's end. It's also warmer without needing a bulkier cut — density does the insulating, not volume.
French Terry vs. Fleece
NOVAXCO builds on French terry cotton rather than standard fleece-back. French terry has looped, uncut yarn on the inside — more breathable, less prone to bobbling, and it ages into a softer hand-feel rather than a matted one. It's a more expensive base cloth, and it's non-negotiable for us.
How to Tell the Difference in Store
Hold the fabric up to light. Thin hoodies let light through easily; heavyweight ones don't. Stretch the cuff — cheap ribbing loses elasticity fast, heavyweight ribbing snaps back. And check the seams: flatlock stitching on a 400GSM hoodie won't pucker the way it does on lighter blends.
The Bottom Line
400GSM isn't a marketing number — it's the difference between a hoodie you replace every season and one that becomes part of your rotation for years. When NOVAXCO drops, this is the standard every piece is built to.