An oversized blazer worn over wide trousers, vintage brooches pinned to a workwear shirt collar, a flowing lavender dress replacing the usual black: these combinations have been observed since the spring-summer 2026 fashion shows, and they are starting to make their way into the streets. The fashion trends of 2026 are built around a few strong pieces and a regulatory framework that changes the game for both brands and buyers.
Anti ultra fast fashion law: what changes concretely in our purchases in 2026
Since September 1, 2026, the law championed by MP Anne-Cécile Violland prohibits any advertising for ultra-fast fashion platforms, including through influencers. We will no longer see sponsored Shein or Temu hauls on French social networks.
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The financial aspect also weighs in: a system of penalties ranging from 0.25 to 6 euros per product applies starting this year, with a gradual increase to 10 euros by 2030. These surcharges are indexed to the number of references put on the market and the manufacturer’s repair efforts. The prices of ultra-fast fashion items are mechanically increasing, which reduces the gap with more sustainable brands.
For us, the practical reflex is simple: when we spot the fashion trends of 2026 on a platform, we check if the brand displays its commitments to repair and traceability. It has become a reliable quality indicator since the law came into effect.
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Trending colors 2026: lavender, glacier blue, and powdered yellow
After several seasons where beige, taupe, and black dominated wardrobes, the 2026 palette brings back light. Three shades dominate the spring-summer collections and are starting to assert themselves for autumn-winter.
Lavender, the key color of the season
It can be found on flowing dresses, satin shorts, and handbags. Lavender works well in a total look or as a unique touch on an accessory. Its particularity: it can be worn on lightweight materials as well as structured leather without losing readability.
Glacier blue and powdered yellow as complements
Glacier blue appears on coats, sweaters, and even makeup, confirming the appeal for frosty tones. Powdered yellow adds contrast without aggression, especially on blazers and oversized shirts.
To create a coherent look without buying a whole new wardrobe, we can rely on this grid:
- A key piece in the chosen color (dress, trousers, or blazer) worn with neutral basics
- A matching accessory (bag, brooch, or belt) in the same shade to unify the silhouette
- A mix of two cool tones (lavender + glacier blue) that avoids the “too tame” effect of pastel monochrome
Key fashion pieces 2026: wide trousers, flowing dress, and reimagined blazer
The silhouettes of this season share a common point: they contrast a loose fit with a structuring element. We no longer seek tight-fitting everywhere, but maintain an anchor point (defined waist, sharp shoulder, rigid accessory).
Structured wide trousers replace slim fit as the key piece of everyday wear. Defined waist, loose fall, sharp cut: it pairs well with both a t-shirt and a lace top. In thick denim or fluid fabric, it effortlessly absorbs workwear and casual chic trends.
The long flowing dress embodies the poetic side of the season. It appears in several houses during the Paris and Milan shows, often in bright colors (pink, orange, olive green). Worn with minimalist shoes, it remains a safe bet for a feminine look without overload.
The reimagined blazer is the third piece to watch. Wider cut at the shoulders, often worn open over a coordinated outfit, it serves as a transitional jacket between seasons. Opinions vary on this point, but a slightly oversized blazer in linen or lightweight cotton seems to hold up better than a structured polyester model as temperatures rise.
Circular fashion and second-hand: the standard of 2026
Circular fashion is no longer a niche marketing argument. According to KPMG, it enters a phase of maturity in Europe in 2026, driven by Extended Producer Responsibility and stricter textile traceability requirements.
Concretely, this translates into three visible evolutions:
- Second-hand becomes a purchasing reflex, especially among those under 30, and no longer an occasional alternative
- Brands integrate repair and rental into their offerings, under regulatory pressure
- Re-commerce (resale organized by the brand itself) is structured as a full-fledged sales channel
For us as buyers, the most cost-effective gesture remains to check the composition and durability of a piece before purchase. A wide cotton or linen trouser resells well in second-hand. A top made of fine synthetic material loses its value after the first wash.
Materials and prints to adopt this autumn-winter 2026
Leather, already very present on the spring-summer runways, continues into the autumn-winter collections. It can be found on midi skirts, short jackets, and structured accessories. Natural materials (linen, cotton, wool) gain ground against synthetics, driven by the regulatory framework mentioned above.
In terms of prints, polka dots and zebra patterns are establishing themselves as seasonal motifs. Polka dots work in small formats on shirts or dresses, while zebra is limited to accessories (bags, belts, scarves) to avoid visual overload.
Lace is also making a comeback, but in a more raw register than before: layered over a basic t-shirt or integrated into a workwear top, it loses its precious side to become a textural element among others.
The 2026 season rewards wardrobes built around a few solid pieces rather than impulsive purchases. With the anti ultra fast fashion law, the rise of second-hand, and color palettes that last beyond a single season, investing in a well-cut wide trouser or a blazer in natural material remains the most cost-effective choice in the long term.