String Theory Yarn Co

Independent yarn shop in the Chicago suburbs carrying organic, fair-trade, and small-batch yarn from women-led, Black-owned, and regenerative producers. Online + in Glen Ellyn. Knitting + crochet classes too.

Glen Ellyn, US · prices in USD · ships to 237 countries. Catalogue read from stringtheoryyarncompany.com's own public product feed on 2026-09-05. Every figure below is an observation from that feed, not an estimate.

Products
401
353 read so far
In stock
85%
Median price
24 USD
Discounted
54
⌀ 44.1% off

Sales estimate

stringtheoryyarncompany.com does not publish stock levels. Units sold can only be derived from stock falling between two readings, so no revenue figure is possible for this store — by any method, not just ours.

Store facts

Products
424
counted in our crawl
First product
2020-03
oldest listing seen
Traffic rank
top 5,000k
Chrome UX bucket, not visits
Tracked by
0
requests on this page
Collections
452
Ships to
237 countries · AC, AD, AE, AF, AG, AI, AL, AM …
Payment
visa, master, american_express, discover

Brands carried

Matched on the store's own brand field, so these are exact — not guessed from product names.

String Theory Yarn Co (59)ChiaoGoo (14)ORI London (11)CURIO SPICE (10)Ikigai Fiber (10)Katrinkles (8)Knitter's Pride (7)Appalachian Baby Design (7)Laine (6)Atenti (6)MAIKA (6)Handspun Hope (6)Berroco (5)Cocoknits (5)Clover (5)Modern Daily Knitting (MDK) (5)Mitchell Wool (5)Soap Distillery (4)Sister Ananse (4)Lantern Press (4)RE:Designed Project (4)Marie Greene (4)Kate Atherley (4)Ewetopia (4)Blue Sky Fibers (4)Plied Yarns (4)De La Mur Line (3)Universal (3)Comma Craft Co (3)Lemonwood (3)Lisa Congdon (3)West Yorkshire Spinners (3)Laneras (3)Lacis (3)ITO (3)29 Bridges (3)Eric & Christopher (3)Manos del Uruguay (3)Mitchell Wool Co (3)Wooldreamers (3)

Products

ProductBrandPriceWasOff
Qi Tea Sampler-4 USD18 USD−77.8%
Iron on PatchMitchell Wool3 USD10 USD−70%
Hair Care Bar-4 USD13 USD−69.2%
Wool Sponge, set of 2Full Circle Wool4 USD12 USD−66.7%
Sal Agridulce (Cocktail Rim)Curio Spice4 USD11.5 USD−65.2%
Faux Suede Tags (set of 4)katrinkles5 USD14 USD−64.3%
Natural Meadowbaa ram ewe8 USD22 USD−63.6%
Soy Wax CandleSoap Distillery12 USD30 USD−60%
Zipper PouchAnna B.8 USD20 USD−60%
Azerbaijani Slippers-21 USD52 USD−59.6%
Halle Bucket BagAtenti100 USD240 USD−58.3%
Lana Mia UniGedifra10 USD24 USD−58.3%
Ladybird Lovey Crochet KitUniversal15 USD35 USD−57.1%
Wee One Crochet Gift SetAppalachian Baby Design26 USD59 USD−55.9%
Harmony DKYarn Citizen8 USD18 USD−55.6%
Lip BalmSoap Distillery5 USD11.25 USD−55.6%
Knitting by DesignEmma Robertson12 USD24.95 USD−51.9%
Circular Needle CaseAtenti35 USD70 USD−50%
Lang PhoenixLang16 USD32 USD−50%
BillyDream in Color13 USD26 USD−50%
BozzoloBerroco10 USD20 USD−50%
DIY Crochet KitHoooked10 USD20 USD−50%
Ultra Alpaca ChunkyBerroco9 USD18 USD−50%
Ultra AlpacaBerroco9 USD18 USD−50%
Bonjour Baby Blanket PatternAppalachian Baby Design3 USD6 USD−50%
Emily Uchytil Note Card-3 USD6 USD−50%
Eden DKbaa ram ewe15 USD29 USD−48.3%
Faux Fur Pom PomIkigai Fiber13 USD25 USD−48%
mini tool make 1katrinkles6 USD11 USD−45.5%
BFL FleeceWest Yorkshire Spinners16 USD29 USD−44.8%

Catalogue over time

DateProductsIn stockMedian price
2026-09-0535329924 USD
2026-08-0540129320 USD

Data collected from stringtheoryyarncompany.com's public product feed. Not affiliated with or endorsed by this store. Request removal.