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ANNUAL STASH SALE: MAY 30 - JUNE 1
ANNUAL STASH SALE: MAY 30 - JUNE 1

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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  • Blue Sky Sweater - String Theory Yarn Co
    Blue Sky Sweater - String Theory Yarn Co
    Blue Sky Fibers

    Blue Sky Sweater

    $24.00

    Soft, family friendly and machine washable. Blue Sky Sweater (formerly known as Spud and Chloe Sweater) is versatile and the perfect blend of super...

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  • -

    Misha & Puff

    $32.00

    This yarn is listed as worsted, but it knits up beautifully from 14 - 22 stitches per inch - just depends on what kind of fabric you are looking fo...

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  • Clean Cotton in Yarn - Worsted | String Theory Yarn Co
    -

    Clean Cotton

    $7.00

    Eco-friendly reclaimed fiber dappled with bright color for maximum joy. It feels good, and you'll feel good using it! 55g/96 yds  I  85% recycled ...

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  • Borocera Silk - String Theory Yarn Co
    Borocera Silk - String Theory Yarn Co
    Handspun Hope

    Borocera Silk

    $30.00

    Wild Borocera Silk is hand spun in the central highlands of Madagascar. This gorgeous "thick and thin" yarn is imported into Rwanda as a single ply...

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  • Berroco

    Seaspun

    $13.00

    Meet our newest recycled yarn, Seaspun, a 50/50 cotton and SEAQUAL polyester blend. SEAQUAL is made from 10% reclaimed plastic from the ocean. It h...

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