String Theory Yarn Co
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Eco-friendly and socially responsible yarns and supplies for avid knitters and crocheters. Shop in-store or online. We love beginners!
We are located in Glen Ellyn IL, less than one block north of the Glen Ellyn Metra station. String Theory is a feel good yarn shop in the western suburbs of Chicago. At String Theory we feature yarn from companies that are environmentally friendly and socially responsible: Manos del Uruguay, Blue Sky Alpaca, Woolfolk, Handspun Hope, Appalachian Baby Cotton and more. We love color, so at any time y
After Hours
I’m wearing Midsommar Tee in Soft Donegal Chunky.
What is your favorite vest pattern?
A VERY fun event coming Labor Day weekend for locals AND Pride & Progress Cowl yarn kits 🏳️🌈 from Leading Men Fiber Arts! Link to purchase the pattern is below 👇🏻
Knit: https://www.ravelry.com/patterns/library/pride—progress-cowl-knit
Crochet: https://www.ravelry.com/patterns/library/pride—progress-cowl-crochet
Plus James Watts patterns! https://www.ravelry.com/patterns/sources/james-n-watts-ravelry-store
James Watts Knit Night sign-up: https://stringtheoryyarncompany.com/products/night-with-james-watts-p-september-5
After Hours with Beth - Sat., June 13, 2026
Happy Worldwide knit in Public Day!
10% of all sales today go to Young Equal.
Feederbrook Farm Entropy trunk show is here. Scoop up some of this gorgeous gently self-striping DK while it’s here. Online and in store - no two skeins are identical, but our online photos show every skein we got!
Stay tuned for a peek of Emily’s Pride & Progress Cowl. Kits available now to crochet or knit - online & in store!
After Hours
Let me show you my 4-Day Sweaters.
06/11/2026
Seems like fish are everywhere lately. This would be lovely and even summerier in Ito Kinu.
Against the Current Shawl pattern by Elenor Mortensen Der Against the Current Schal ist ein großes Dreieckstuch, welches das Fischmuster des Against the Current Tees mit einem Lace Muster verbindet. Der Rand des Schals wird durch einen Icord gebildet, ein Spitzenmuster in Wellenform rundet das Muster ab.
After Hours
Whisp in Como + Premia
After Hours with Beth - Sat., June 6, 2026
Marie Greene 2026 (and final) 4-day Watermark sweater yarn suggestions.
Past projects from the Mystery Knitalong.
We start the next one on Sunday.
More info - link in bio.
The mini minder and the mini minder base - great for knitting or crocheting wherever you happen to be this summer.
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Contact the business
Telephone
Address
477 N Main Street
Glen Ellyn, IL
60137
Opening Hours
| Tuesday | 10am - 5pm |
| Wednesday | 10am - 5pm |
| Thursday | 10am - 5pm |
| Friday | 10am - 5pm |
| Saturday | 10am - 5pm |