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Cos
StyleMinimalist / ContemporaryQuiet luxury
Known forShirts & overshirtsSweaters & knitwear
COS (Collection of Style) is H&M Group's minimalist label, launched on London's Regent Street in March 2007 and still guided by design director Karin Gustafsson, who joined at its founding. It sells architectural tailoring, oversized knitwear, leather bags and muted wardrobe staples, with the twice-yearly Atelier capsule reaching luxury-level fabrics and prices. COS has shown at New York Fashion Week each season since 2022 and staged its spring/summer 2026 collection in a Seoul bathhouse. Expansion continues into India, the US and Mexico while parent H&M trims stores elsewhere.
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How Cos fits
| Category | Runs | Shape | Length | Size advice | Confidence |
|---|---|---|---|---|---|
| Shirts & overshirts | runs large | mostly relaxed or boxy, though slim-labelled poplins fit closer | long enough to tuck, occasionally boxy hems meant to be worn out | Size down for anything labelled relaxed or oversized; stick to your usual size in the slim-fit shirting. | high |
| Trousers & pants | slightly large | high-rise with wide, straight or pleated legs | often long — hemming is commonly mentioned by shorter wearers | Take your usual waist size but expect to shorten the leg; consider sizing down if you want less volume. | medium |
| Hoodies & sweatshirts | runs large | relaxed, wide through the body with dropped shoulders | regular, sometimes slightly cropped on newer boxy cuts | Take one size down unless you plan to layer heavily underneath. | medium |
| Jeans & denim | slightly large | relaxed straight and wide cuts dominate over slim | regular to long | Go true to waist size for rigid denim, size down if you prefer a cleaner line through the hip. | medium |
| Jackets | runs large | oversized, squared shoulders, roomy through the chest | regular to longline depending on style | Size down one — most coats and overshirts already have layering room built in. | medium |
| T-shirts & graphic tees | runs large | boxy with dropped or extended shoulders on most styles | regular to long in the body | Size down one for a normal fit; stay true to size only if you want the deliberately boxy look. | high |
Does Cos run big or small?
Cos runs large. Most people are happiest sizing down one from their usual size, especially in tops and outerwear, unless you specifically want the oversized look. COS is widely described as cutting generously and architecturally, so garments usually feel a size larger and looser than the label suggests, though fit can vary noticeably between seasonal collections and between 'relaxed' and 'slim' labelled styles.
How does Cos fit?
COS is widely described as cutting generously and architecturally, so garments usually feel a size larger and looser than the label suggests, though fit can vary noticeably between seasonal collections and between 'relaxed' and 'slim' labelled styles. Overall shape: boxy, relaxed and often intentionally oversized rather than fitted.
How do Cos shirts & overshirts fit?
Cos shirts & overshirts runs large. Size down for anything labelled relaxed or oversized; stick to your usual size in the slim-fit shirting. Shape: mostly relaxed or boxy, though slim-labelled poplins fit closer.
How do Cos trousers & pants fit?
Cos trousers & pants fits slightly large. Take your usual waist size but expect to shorten the leg; consider sizing down if you want less volume. Shape: high-rise with wide, straight or pleated legs.
How do Cos hoodies & sweatshirts fit?
Cos hoodies & sweatshirts runs large. Take one size down unless you plan to layer heavily underneath. Shape: relaxed, wide through the body with dropped shoulders.
Directional fit consensus summarized from public sources with AI — a starting point, not a guarantee. Confirm with the product's own measurements before buying.
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