
Sunspel
British maker of plain, high-quality cotton and merino basics — T-shirts, polos and underwear — with its T-shirts still sewn at its own Long Eaton factory.
What changes. English basics house, no swim-first identity

Looking to step up from Onia? These 8 brands share the aesthetic but bring elevated materials, construction and a higher price tier — ranked by overall similarity.

British maker of plain, high-quality cotton and merino basics — T-shirts, polos and underwear — with its T-shirts still sewn at its own Long Eaton factory.
What changes. English basics house, no swim-first identity

Paris label founded in 1987 by Jean Touitou, known for raw selvedge denim, Demi-Lune bags and understated, long-lasting wardrobe basics.

Paris label founded by Pierre Mahéo in 2012, making understated soft tailoring and workwear-inflected wardrobe staples in European fabrics.
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Los Angeles label founded in 2012 for heavyweight fleece and tonal sportswear staples, reportedly sold to Centric Brands and Sam Ben-Avraham in 2026.

Malmö-based menswear label from Saif Bakir and Emma Hedlund, known for knitwear, relaxed tailoring and workwear-inflected outerwear in muted palettes.

Independent Brooklyn menswear label mixing folk craft, workwear and prep, best known for embroidered and crochet camp-collar shirts.
Why it's similar. Dan Snyder started Corridor from an East Village walk-up in 2013, and its embroidered and crochet camp-collar shirts cover the same resort-leaning summer wardrobe as Onia.

Kelly Slater's California surf label making relaxed men's and women's staples from organic, recycled and Fair Trade-certified materials.
Why it's similar. Kelly Slater co-founded Outerknown in 2015, building relaxed surf staples from organic cotton, hemp and recycled nylon made in Fair Trade Certified factories.

Stockholm fashion house founded in 1996 by Jonny Johansson, known for oversized tailoring, mohair knitwear, denim and the Musubi bag.
Why it's similar. Acne Studios and Onia both favor contemporary styles and high-quality materials in their offerings.
Sunspel, A.P.C., Officine Generale lead our ranking. Looking to step up from Onia? These 8 brands share the aesthetic but bring elevated materials, construction and a higher price tier — ranked by overall similarity.
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