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Purchase Organic & Sustainable Products

By choosing yarns from our Organic & Sustainable Products collection, you're not only creating beautiful handcrafted pieces but also making a positive impact on the planet. From reducing carbon footprints to supporting ethical farming practices, your purchase supports a more sustainable textile industry.

At String Theory Yarn Co., we're passionate about supporting a sustainable future for our planet. So, in addition to yarns, we have a selection of eco-friendly home goods and gifts.

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Winqu
Sale price$25.00
Neighborhood Fiber Co Organic Studio Worsted
Sold outSave 25%US Organic Cotton - String Theory Yarn Co
Sale price$12.00 Regular price$16.00
Organic Studio Sock
open shipping box revealing 31 kraft paper envelopes with numbered stickers.

Box of Light 2026

31 surprises to countdown to the new year

Preorder now
Lamb's Ear Cardigan Kit - String Theory Yarn Co
Sold outStair Step Blanket Kit - String Theory Yarn Co
Sold outBaby Soft Blanket Kit - String Theory Yarn Co
Blue Sky Sweater

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