Best Sustainable Activewear Brands 2025: Eco-Friendly Fitness Clothing & Apparel

As we move towards a more conscious lifestyle, the demand for sustainable options in every aspect of our lives is increasing, and that includes what we wear to workout. Finding the best sustainable activewear brands can be challenging, but in 2025, several brands are leading the way with eco-friendly practices. This guide highlights top choices for fitness clothing and sustainable apparel, ensuring you can stay active while minimizing your environmental impact. Whether you’re looking for comfortable leggings, supportive sports bras, or even winter warm clothing made responsibly, we’ve got you covered. Plus, many of these brands offer great giftable clothing options for the eco-conscious individuals in your life.

Top Sustainable Activewear Brands to Watch in 2025

The market for sustainable activewear is booming, with brands innovating in materials, production, and transparency. Here are some of the top contenders for 2025:

Girlfriend Collective: Recycled and Inclusive

Girlfriend Collective is a standout for its commitment to using recycled materials. Each pair of leggings is made from approximately 25 recycled water bottles, diverting waste from landfills and reducing the need for virgin resources. The brand also champions inclusivity with a wide range of sizes, from XXS to 6XL. Their compressive shorts, bras, and crop tops are perfect for various activities, offering both style and sustainability. Learn more about Girlfriend Collective’s mission.

Patagonia: Outdoor Performance with a Purpose

Patagonia, a certified B Corp, has long been a leader in sustainable practices. Their outdoor-focused gear utilizes recycled nylon and emphasizes durability and repairability. Patagonia’s commitment extends beyond materials to include fair labor practices and environmental activism. Their warranty program and repair services encourage consumers to keep their clothing in use longer, reducing waste. They are often mentioned as a top brand in expert reviews of sustainable activewear.

MATE the Label: Clean and Comfortable

MATE the Label focuses on creating clean essentials using organic cotton and TENCEL™ Lyocell. Their MOVE active line, made in Los Angeles with non-toxic dyes, offers comfortable and stylish options for workouts and everyday wear. By prioritizing natural fibers and ethical production, MATE the Label minimizes its environmental footprint and ensures fair labor practices.

tentree: Planting Trees with Every Purchase

tentree stands out with its commitment to reforestation. For every item purchased, the company plants 10 trees, contributing to global reforestation efforts. Their activewear line features bluesign® certified recycled polyester and spandex blends, offering high-performance options with a positive environmental impact. From bras to hoodies to leggings, tentree provides a range of sustainable apparel choices.

Pact: Organic Cotton Essentials

Pact offers GOTS-certified organic cotton activewear made in Fair Trade factories. Their tanks, bras, and socks provide comfortable and sustainable options for everyday wear and low-impact activities. Pact is also carbon neutral, further reducing its environmental impact. Reviews often highlight their affordability, making sustainable choices accessible to a wider audience.

Other Notable Sustainable Activewear Brands

Beyond the top contenders, several other brands are making significant strides in the sustainable activewear space:

• Quince: Offers affordable recycled skorts and other activewear essentials.
• Organic Basics: Focuses on regenerative cotton loungewear and activewear.
• Boldwill: Utilizes 95% plastic-free hemp and TENCEL™ for its activewear.
• Wolven: Known for its quick-dry and sustainably made leggings.
• Jungmaven: Specializes in hemp-based apparel for non-toxic durability.
• AllWear: Creates 100% natural, OEKO-TEX certified joggers, closing the lifecycle loop.

Choosing the Right Sustainable Activewear for You

When selecting sustainable activewear, consider the following factors:

• Materials: Look for recycled materials, organic cotton, TENCEL™ Lyocell, and other eco-friendly options.
• Production Practices: Choose brands that prioritize ethical labor practices and transparent supply chains.
• Certifications: Look for certifications like GOTS, Fair Trade, and bluesign® to ensure sustainability standards are met.
• Performance: Consider the specific activities you’ll be engaging in and choose activewear that offers the right level of support, breathability, and durability.
• Inclusivity: Opt for brands that offer a wide range of sizes to ensure a comfortable and flattering fit.

Sustainable Activewear for Every Season

Whether you’re gearing up for summer workouts or winter adventures, there are sustainable activewear options available:

Fitness Clothing

For high-performance fitness clothing, consider Girlfriend Collective’s compressive pieces or Patagonia’s durable outdoor wear. These options are designed to withstand intense workouts and provide lasting comfort.

Winter Warm Clothing

For winter warm clothing, Patagonia’s thermals and jackets, Paka’s alpaca wool layers, and tentree’s hoodies and sweats offer ethical insulation and sustainable warmth. These options are perfect for outdoor activities in colder weather.

Giftable Clothing

Looking for the perfect gift for an eco-conscious friend? MATE’s joggers and sweats, Quince’s subtle-hued tanks and leggings, and tentree’s special-edition bras make excellent giftable clothing options. These items are stylish, versatile, and sustainably made, making them a thoughtful and responsible choice.

Conclusion: Embrace Sustainable Activewear in 2025

Choosing sustainable activewear is a simple yet impactful way to reduce your environmental footprint and support ethical brands. As we look ahead to 2025, brands like Girlfriend Collective, Patagonia, MATE the Label, tentree, and Pact are leading the charge with innovative materials, transparent production practices, and a commitment to sustainability. By prioritizing these brands when shopping for fitness clothing and sustainable apparel, you can make a positive impact on the planet without compromising on style or performance. Explore these brands and find the perfect pieces to enhance your active lifestyle while contributing to a more sustainable future.

Lei’s Recommendation

As an advocate for sustainable living, I’m constantly searching for brands that align with my values.