1. Thought (formerly Braintree Clothing): Thought offers a wide range of sustainable socks for women made from organic cotton, bamboo, and recycled materials. They focus on creating stylish and comfortable designs while minimizing their environmental impact.
2. PACT: PACT produces organic cotton socks that are not only environmentally friendly but also Fair Trade certified. They prioritize using organic materials and ethical labor practices in their supply chain.
3. Maggie’s Organics: Maggie’s Organics is known for their commitment to using organic and sustainable materials in their sock production. They offer various styles of socks for women made from organic cotton, as well as socks made from recycled materials.
4. Smartwool (PhD Run Ultra Light Micro Socks): If you’re looking for sustainable athletic socks, Smartwool offers options made from responsibly sourced Merino wool. Merino wool is a natural and renewable fiber known for its comfort and moisture-wicking properties.
5. Boody: Boody specializes in eco-friendly basics, including socks made from bamboo viscose. Bamboo is a renewable resource that requires minimal water and pesticides to grow, making it a sustainable choice.
6. Swedish Stockings: Swedish Stockings is dedicated to producing high-quality stockings and socks using recycled materials. They incorporate recycled fibers into their products and also provide a recycling program for their used hosiery.
7. BambooMN: BambooMN offers bamboo socks for women, focusing on the sustainable and antibacterial properties of bamboo fibers. Bamboo is known for its softness and moisture-wicking abilities.
8. Organic Basics: While mainly known for their underwear, Organic Basics also offers sustainable socks made from organic cotton and other eco-friendly materials. They emphasize durability and longevity in their products.
9. Solmate Socks: Solmate Socks specializes in colorful and mismatched socks made from recycled cotton yarns. They turn textile waste into unique and vibrant socks.
10. Boatman’s: Boatman’s creates organic cotton socks with unique designs, catering to various tastes while adhering to eco-friendly practices.

When purchasing sustainable socks or any other clothing items, be sure to check the brand’s certifications, materials, and production practices to ensure they align with your values of sustainability and eco-friendliness. Keep in mind that the availability of specific brands and products might vary over time, so it’s a good idea to check their current offerings before making a purchase.