Most hoodies are sold with a size, a colour, and a fabric composition percentage. None of those tell you whether the hoodie is worth buying.
GSM does.
GSM stands for grams per square metre. It is a measure of fabric weight — how dense the fabric is, how much material is in each section of the garment. It is the single most predictive specification for how a hoodie will feel, how it will hold its shape, and how it will perform over years of regular washing.
The GSM Scale: What the Numbers Mean
Fabric weight in hoodies typically runs from around 200GSM to 500GSM. The differences are not subtle.
200–250GSM — Lightweight. These hoodies are thin, drape loosely, and work as a layering piece in mild weather. They are inexpensive to produce and common in fast-fashion ranges. They pill and lose structure quickly with repeated washing.
280–320GSM — The mid-weight range where quality hoodies typically sit. 300GSM is considered the benchmark for a hoodie built to last. The fabric has enough density to hold its shape, resist pilling, and maintain loft through repeated washing. This is the range worth spending money in.
350–500GSM — Heavy. These are cold-weather pieces with a substantial hand feel. Well-made garments in this range last for years and retain their form and softness. They are warmer and less versatile as an all-season piece.
The practical rule: below 280GSM, treat the garment as a seasonal or light-use item. 300GSM and above is where longevity begins.
Why Most Brands Don't List GSM
If GSM is so useful, why don't more brands list it?
Because most brands are selling hoodies under 280GSM and would rather you didn't know. The specification is freely available — it costs nothing to list — and its absence from a product page is itself information.
Brands that make hoodies in the 300GSM+ range tend to list the specification because it justifies the price. Brands that don't list it are usually producing below that threshold.
When a product page describes a hoodie as "soft," "comfortable," or "high quality" without listing the fabric weight, you are reading marketing language in the absence of evidence. Ask for the GSM. If the brand cannot or will not provide it, that is your answer.
GSM and Fabric Composition Together
GSM tells you the weight. Fabric composition tells you what the weight is made of. Both matter.
100% cotton at 300GSM is a durable, breathable hoodie that washes well and softens with use. It is the most common construction in quality hoodies and performs reliably over years.
Cotton-polyester blend at 300GSM is slightly lighter in feel at the same weight, wrinkles less, and dries faster. The polyester content reduces breathability modestly. Blends of 80% cotton / 20% polyester are common in well-made hoodies and perform well.
100% polyester at any GSM retains heat less efficiently, pills faster, and feels different against skin. Appropriate for performance sportswear — not for a hoodie worn as everyday clothing.
Organic cotton at 300GSM+ is the benchmark for a hoodie designed to last. The cultivation process does not improve the fabric weight, but it removes synthetic pesticide residues from a garment worn close to skin for extended periods. Where GOTS certification is stated, the claim is verified — not marketing.
What Changes at Higher GSM
The practical differences between a 220GSM and a 320GSM hoodie are felt immediately and compound over time.
At purchase: the heavier hoodie has more substance in the hand, a fuller silhouette, and a warmth that comes from the fabric density rather than the cut.
After ten washes: the heavier hoodie looks largely the same. The lighter one has typically started to thin at stress points — the collar, the cuffs, the kangaroo pocket edge.
After a year of regular use: the heavier hoodie has softened slightly and retained its shape. The lighter one has likely pilled on the interior, thinned across the chest, and begun to lose structure at the hem.
The price difference between a 220GSM and a 320GSM hoodie at point of purchase is meaningful. The cost-per-wear difference over three years runs strongly in favour of the heavier fabric.
A Quick Reference
- Under 280GSM — lightweight, limited longevity, appropriate for layering only
- 280–320GSM — the quality range; 300GSM is the benchmark for everyday use
- 320GSM+ — heavyweight, cold-weather performance, built for years
- Organic cotton at 300GSM+ with GOTS certification — the most defensible specification for a quality everyday hoodie
- No GSM listed on the product page — ask, or assume below 280GSM
Hoodies & Sweatshirts at Snøluv →
Snøluv Atelier. Written to inform. The garments speak for themselves.
