16 Brands Like Sozy for Cozy & Sustainable Fashion

Love Sozy's vibe? Discover 16 brands offering cozy, sustainable fashion with soft fabrics and relaxed fits. Elevate your eco-friendly wardrobe today!
Written by: 
Ash Read
Last updated: 

If you love the effortless, cozy, and eco-friendly vibe of Sozy, you know how good it feels to wear clothes that are as comfortable as they are conscious. Their soft fabrics and flattering, relaxed fits make them a go-to for stylish loungewear and everyday essential pieces that don't compromise on sustainability.

For anyone looking to expand their collection of feel-good fashion, the good news is there are plenty of other brands that share Sozy's commitment to comfort and the planet. Here are 16 amazing brands that deliver a similar blend of cozy styles and sustainable practices.

1. Girlfriend Collective

Girlfriend Collective is at the forefront of sustainable activewear and loungewear, making their leggings, joggers, and sweatshirts from recycled materials like plastic bottles and fishing nets. Their pieces come in a rainbow of vibrant colors with hyper-inclusive sizing. While they lean a bit more sporty than Sozy, both brands nail the intersection of high-quality comfort, versatile design, and a strong eco-conscious mission.

Shop now at girlfriend.com

2. Tentree

As their name suggests, Tentree plants ten trees for every single item purchased, making them a powerhouse of impact-driven fashion. They offer a range of eco-friendly basics like sweatshirts, tees, and joggers made from sustainable materials like hemp and organic cotton. Tentree has more of an outdoor-inspired, relaxed feel compared to Sozy's sleeker loungewear, but they are a perfect match if sustainability and ultimate comfort are your top priorities.

Shop now at tentree.com

3. Everlane

Known for their radical transparency motto, Everlane focuses on minimalist, timeless staples made to last. You'll find cozy sweaters, relaxed-fit pants, and simple dresses all crafted from ethically sourced and sustainable materials. While Everlane's aesthetic is more classic and less "lounge-focused" than Sozy, both brands offer high-quality, eco-conscious pieces that serve as the foundation for a modern wardrobe.

Shop now at everlane.com

4. Reformation

If you want your eco-friendly fashion with a side of trendy, feminine flair, Reformation is for you. They create stunning dresses, tops, and loungewear sets from sustainable fabrics. While Sozy is all about laid-back, cozy essentials, Reformation combines that sustainable ethos with more fashion-forward, of-the-moment designs. It's the perfect brand for when you want to look good, feel good, and do good.

Shop now at thereformation.com

5. Pact

Pact makes building a sustainable wardrobe accessible and affordable. Centered around super-soft organic cotton and Fair Trade Certified factories, their collection includes loungewear, pajamas, and foundational basics. Pact's styles are often more straightforward and utilitarian, but they share Sozy’s unwavering dedication to comfort, eco-friendly materials, and great value.

Shop now at wearpact.com

6. Kotn

Crafting high-quality basics from authentic Egyptian cotton, Kotn excels at creating refined, minimalist pieces that feel incredible to wear. Their collection of cozy sweaters, joggers, and tees is built on a foundation of ethical production and fair wages for farmers. Compared to Sozy, Kotn's aesthetic feels a bit more polished and sophisticated, but both brands prove that sustainable staples can be both stylish and incredibly comfortable.

Shop now at kotn.com

7. Nudie Jeans

While known for its sustainable denim, Nudie Jeans also offers a great lineup of casual basics that share Sozy's ethical ethos. With a focus on fair labor, eco-friendly fabrics, and durable construction designed to last for years, Nudie's relaxed style complements Sozy’s loungewear perfectly. If you love Sozy for its comfort and values, consider Nudie your go-to for conscious denim to complete the look.

Shop now at nudiejeans.com

8. Thought

Based in the UK, Thought creates comfortable, sustainable clothing from organic and recycled materials. Their lineup features relaxed joggers, oversized sweaters, and easygoing loungewear, often in earthy tones and natural textures. Thought shares Sozy's focus on all-day comfort and eco-friendly fabrics, but with a unique, slightly bohemian touch that feels soulful and down-to-earth.

Shop now at wearethought.com

9. Organic Basics

Organic Basics lives up to its name by offering minimalist, high-quality essentials designed for modern life. Using organic and recycled fabrics, they create leggings, sweatshirts, and tees that are built to last beyond seasonal trends. Their aesthetic is cleaner and more understated than Sozy, but they are a perfect match for anyone who values sustainable, comfortable, and timeless basics.

Shop now at organicbasics.com

10. MATE the Label

Specializing in clean essentials, MATE the Label designs sustainable loungewear from GOTS-certified fabrics like organic cotton and linen. Their relaxed joggers, crewneck sweatshirts, and tees come in a gorgeous earthy color palette that’s perfect for mixing and matching. MATE's vibe is incredibly similar to Sozy's, focusing on simplicity, nature-inspired aesthetics, and pure comfort for effortless daily style.

Shop now at matethelabel.com

11. Alo Yoga (Earth Collection)

While Alo Yoga is globally recognized for performance activewear, their Earth Collection deserves a special mention. This curated selection features their iconic styles made from recycled and sustainable fabrics. If you're looking for that Sozy commitment to sustainability but in a more fitness-focused, athleisure package, the pieces in Alo’s Earth Collection are a fantastic pick.

Shop now at aloyoga.com

12. Naadam

Naadam is on a mission to make luxury sustainable, specializing in incredibly soft pieces made from ethically sourced Mongolian cashmere. They offer sweaters, loungewear sets, and accessories that feel unbelievably cozy. While Naadam operates at a more premium price point, it shares Sozy's goals of merging comfort with transparent and eco-conscious production, perfect for elevating your cozy wardrobe essentials.

Shop now at naadam.co

13. Vetta

Vetta is all about versatility, creating sustainable capsule wardrobes made from organic and recycled materials. Their minimalist joggers, hoodies, and tees are designed to be mixed, matched, and layered for any occasion. Like Sozy, Vetta embraces effortless style with an eco-conscious backbone, proving that a smaller, smarter wardrobe can be both fashionable and sustainable.

Shop now at vettacompany.com

14. Frank And Oak

Frank And Oak creates sustainable staples with a focus on timeless, classic designs. You'll find cozy sweaters, versatile joggers, and relaxed basics in clean silhouettes and earthy color palettes. Their aesthetic is a bit more polished and less lounge-centric than Sozy's, but their strong commitment to using eco-friendly fabrics and ethical practices will definitely appeal to any Sozy fan.

Shop now at frankandoak.com

15. Prana

Built for adventure and mindfulness, Prana creates durable, sustainable activewear and everyday casuals from recycled and organic materials. Their pieces are beloved by yoga enthusiasts and outdoor lovers for their functional comfort and eco-conscious manufacturing. Prana delivers on the same promise as Sozy: comfortable, versatile, and sustainable clothing that lets you move freely and feel good about your choices.

Shop now at prana.com

16. Richer Poorer

With an effortlessly cool vibe, Richer Poorer offers a line of everyday basics like loungewear, sweats, and tees made from sustainable fabrics like recycled fleece and cotton. Their designs focus on comfort and simplicity at an accessible price point. The relaxed, versatile styles make them a close cousin to Sozy, perfect for anyone who wants affordable, eco-friendly staples that don't skimp on style.

Shop now at richerpoorer.com

At Apart Style, we're obsessed with curating the best in fashion, beauty, and jewelry to help you discover new brands we think you'll love. Every brand we feature is independently selected by our editorial team based on quality, style, and uniqueness. When you make a purchase through our links, Apart Style may earn a commission - which helps support our small team, and allows us to continue bringing you the best in online style brands.

Looking for more inspiration? Explore our full brand directory or check out our curated brand guides to find your new favorite thing.