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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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  • String Theory Yarn Co

    Mallory Hat Kit

    Original Price $70.00
    Current Price $62.00

    The Mallory Hat is the perfect choice for anyone looking for a warm, stylish hat. It is not only easy to knit and fun to wear, but it is also envir...

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  • -

    Moonshine Bulky

    $36.00

    Experience opulence with this blend of organic silk, extra fine baby alpaca, & highland Peruvian wool. This bulky loosely spun single ply rovin...

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  • Curio Spice

    Curio Chai

    $12.00

    Treat yourself to a warm cup of chai on a cold day. Lunar Chai Masala chai, meaning ‘spiced tea’, has its roots in ancient Ayurvedic spice usage ...

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  • Woolbuddy

    Monster Dryer Balls

    $47.00

    Make laundry day a little more fun—and a lot more sustainable—with Woolbuddy Monster Dryer Balls. These cheerful, woolly creatures are a natural al...

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  • Ori London

    Camden P

    $120.00

    Camden P is the ultimate backpack for go-getters who need a backpack as bold as their journey. With smart features and rugged charm, this backpack ...

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  • Berroco

    Ultra Alpaca Chunky

    $18.00

    Soft, earthy, undyed colors with a couple of fun marls! 50% wool/ 50% alpaca 131 yards/ 100g Pattern Suggestions Burr Hat Instance Hat Calidez Ve...

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  • -

    Blu Reusable Bag

    Original Price $12.00
    Current Price $9.00

    Perfect for grabbing groceries and going to farmer's markets! This is a strong, fun, and reusable shipping bag - an everyday essential that helps t...

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  • Mitchell Wool

    Tunis DK

    Original Price $30.00
    Current Price $22.00

    Tunis is a heritage breed sheep that came about when North African sheep were brought to the United States from Tunisia as a gift to George Washing...

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  • Mitchell Wool

    Cormo DK

    from Original Price $30.00
    from $22.00

    Cormo wool is soft and bouncy. The Chester Brown DK, a delicious, undyed chocolate brown is part of a limited edition collection.    50g 155 mete...

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  • -

    Ewetopia Sustainawool

    $30.00

    Made in small batches from flock to skein! We process this yarn from fresh off the sheep to through spinning. A super springy heathered tweed yarn ...

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  • Maeve

    Maeve Chocolate Bars

    $8.00

    Maeve Chocolate (formerly Seattle Chocolate Co.), a sustainably sourced, eco-conscious, woman-owned brand that gives back.Choose your favorite flav...

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  • Berroco

    Tillie

    Original Price $30.00
    Current Price $22.00

    Tillie is a luxurious hand-dyed yarn made of pima cotton and cupro, a sustainable silk-like byproduct of cotton processing. Tillie’s chainette cons...

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