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  • Factory Girl Designs

    Worsted*

    $35.00

    *Part of the Factory Girl trunk show at String Theory through February 21, 2026. No returns or exchanges permitted for trunk show purchases. Crysta...

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  • Woman wearing a colorful scarf and navy coat standing on a rocky beach with ocean in the background
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    Infinity

    $30.00

    INFINITY is a single ply yarn made with extrafine merino wool, notable for a unique colour design. Each ball is made in such a way that there is no...

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  • Berroco

    Ultra Alpaca Natural

    $18.00

    Everything you love about Berroco Ultra Alpaca, in an undyed version! Each of the shades of super fine alpaca and Peruvian wool are created by blen...

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  • Berroco

    Ultra Alpaca

    $18.00

    Ultra Alpaca is the ideal balance of luxurious super fine alpaca and Peruvian Highland wool blended together and spun up perfectly round and light....

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  • 29 Bridges

    Bloom

    $38.00

    Bloom is made from a blend of domestically-sourced Columbia, Targhee, and Rambouillet wool. The Rambouillet for softness, the Targhee for bounce an...

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    Ewetopia Sustainawool

    $30.00

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

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  • String Theory Yarn Co

    Chevron Baby Blanket KIT

    $120.00

    An adorable blanket with a two row pattern repeat. Finished size: 27.5" x 36" Kit includes 5 skeins of Blue Sky Sweater, formerly known as Spud &am...

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  • Berroco

    Bozzolo

    $20.00

    Feathery soft and offered in a beautiful range of multis and solids, Bozzolo is a 100% cotton yarn from Italy. Smooth with a hint of shine, Bozzolo...

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  • 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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  • Clean Cotton in Yarn - Worsted | String Theory Yarn Co
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    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 per ball85% recycle...

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  • Uneek Worsted - String Theory Yarn Co
    Urth Yarns

    Uneek Worsted

    $35.00

    Uneek worsted creates short waves of self-striping magic in hand-dyed vibrant and bold colorways. Urth Yarns plants a tree in Africa for each skein...

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  • Rios - String Theory Yarn Co
    Malabrigo Yarn

    Rios

    $22.00

    Soft, strong, and washable, this 4-ply yarn is our workhorse! The plies help resist pilling and washability makes it fantastic for frequently-worn ...

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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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