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Wool Yarn — Heritage Breed, Regenerative & Non-Superwash | String Theory

Wool does things no other fiber does — holds heat when wet, takes dye like a painting, and remembers the shape you give it. We carry it in many forms, from many places. You will find regeneratively raised US wool from Mitchell Wool Co, non-superwash heritage-breed wool from Wooldreamers spun from Manchega sheep in Spain — the same flocks whose milk becomes Manchego cheese — GOTS-certified organic superwash from Neighborhood Fiber Co. for socks that need to survive the laundry, and an angora wool blend from Handspun Hope, where Rwandan women earn a living wage spinning by hand. The right wool for every project.

43 products
Veiga KIT
Sale price$114.00
Rambouillet Air
Sale price$36.00
Noro Akeboshi
Sale price$64.00
Prisma
Sale price$32.00
ChiaoGoo Interchangeable Needle Set in Tools - needles | String Theory Yarn Co

Interchangeable Needle Sets

all your needles in one place

Find the set that's right for you
Gradient Cloud
Sale price$36.00
Kingston
Four skeins of yarn in beige, gray, and black on a textured surface.
Plied North Ave. 18-Bobbin Set
Plied North Ave. 6-Bobbin Set
A close-up of colorful variegated yarn balls and a matching knitted fabric sample displayed in a white tray on a wooden table.
Sale price$18.00
Guaranteed Passage Kit
Sister Ananse Road Trip Fingering
Sister Ananse Road Trip DK
29 Bridges Go To Sock – Hand-Dyed Speckled & Tonal Sock Yarn
Skein of pink yarn with a label on a gray background
Legacy Worsted
Ewetopia BFF BFL
Sale price$32.00
Wooldreamers 90 Varas
Neighborhood Fiber Co Organic Studio Worsted
Gradient Infinity
Sale price$34.00
Soft Donegal Chunky
29 Bridges Bloom
Sale price$38.00
(5.0)
Doodle  Cowl Kit - Paka Washi
Ewetopia Sustainawool
Deseos DK
Sale price$28.00
(5.0)
Tussie Mussie Mittens KIT
Doug Hat KIT
Sale price$54.00
Sold outStriped Elements Scarf KIT
Paka Washi
Sale price$18.00
(5.0)
New ColorsBeartooth High Twist
Sale price$30.00
(5.0)
Gumdrop Kerchief KIT
Sale price$90.00
(5.0)
Mota - String Theory Yarn Co
Sale price$19.00
(5.0)
Tuscaloosa Hat KIT - String Theory Yarn Co
Rasta - String Theory Yarn Co
Sale price$31.00
(5.0)
Organic Studio Sock
Uneek Self-striping Worsted
Manos del Uruguay Alpaca Heather 50g
Sold outManos Alpaca Heather 100g undyed in Yarn - Sportweight | String Theory Yarn Co
Handspun Hope Angora blend
Rios - String Theory Yarn Co
Sale price$22.00
(4.8)
Blue Sky Sweater
North Ave in Yarn - Fingering | String Theory Yarn Co
Sale price$32.00
(5.0)
Chibi Paka in Yarn - ChunkyBulky | String Theory Yarn Co
Sale price$18.00
(5.0)