Shop All Power Boost Yarns

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Blue Sky Fibers Metalico is a sportweight single-ply blend of baby alpaca and silk that you have to feel to believe. Metalico's silk content gives it a luxurious metallic sheen that is sure to delight, and the softness of this yarn is unrivaled. Blue Sky Metalico comes in shiny braids and a palette of both naturally occurring alpaca colors and brightly dyed hues.

50% Baby Alpaca/50% Silk
Sportweight - 5-6 sts/inch (US 3-5)
147 yards/50g
Hand Wash Cold

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Emma's Yarn Washable Worsted is a high quality worsted weight wool yarn that's super soft and never scratchy. Washable Worsted from Emma's Yarn is a plied yarn with a plump hand and great stitch definition, and due to the superwash merino, this worsted weight yarn is super easy care.

100% SW Wool
5 sts/inch (US 7-9)
218 yards/3.5 oz
Machine Wash Cold

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Madelinetosh Pashmina is a 3-ply fingeringweight yarn made up of 75% superwash merino wool, 15% silk and 10% cashmere that is unbelievably soft and springy. Tosh Pashmina's beauitful yarn blend is hand-dyed in small dye lots and works up to create a soft fabric with great drape. Each skein of Madelinetosh Pashmina is a special work of art sure to delight your favorite crafter.

75% SW Merino /15% Silk /10% Cashmere
5.5-6 sts/inch (US 3-5)
360 yards / 4oz
Hand Wash Cold

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Dream in Color Smooshy with Cashmere is a springy, soft fingering weight yarn. A blend of superwash merino and cashmere, Dream in Color Yarn's Smooshy with Cashmere is a treat for your feet. One skein makes a pair of average adult women's socks.

70% SW Merino/20% Cashmere/10% Nylon
Fingering Weight/7.5-9 sts/inch (US 0-2)
400 yards / 4 oz
Hand Wash

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Stra from Woolfolk is a unique Merino wool and linen blend yarn with a chainette construction and lovely flaxen halo. This lighter-than-air DK weight yarn is perfect for cozy or airy projects to transition into fall, but we think it's perfect for any season.

50% Merino Wool/50% Linen
5.5 sts/inch (US 6-8)
164 yards/50 grams
Hand Wash Cold

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Dream in Color Classy is a superwash heavy DK to light worsted weight yarn that comes in vibrant colors that make it perfect for children's garments, or darker colors for a cozy winter sweater or scarf. This plied yarn is soft with enviable stitch definition. Dream in Color Classy is also available in mini-skeins for colorwork yokes or toes/heels.

100% Superwash Merino Wool 
Worsted Weight/4.5 sts/in (US 7)
250 yards / 4 oz
Machine Wash Delicate

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Susurro from Malabrigo Yarn is a beautiful single ply yarn that can work up in a Sport or DK weight. This silk, linen, and wool blend is great for warm weather projects, such as sleeveless tops or airy shawls perfect for cool evenings. Malabrigo Susurro should be hand-washed.

50% Silk, 25% Linen, 25% Merino Wool
Sport Weight/4-5 sts/inch (US 4)
325 yards/100 g
Hand Wash Cold

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Madelinetosh Tosh Vintage is a 100% superwash merino wool, with 200 yards per skein. Working up at a versatile worsted gauge, Tosh Vintage is perfect for hard-wearing sweater and accessory projects. Each squishy soft skein of Madelinetosh Tosh Vintage is hand-dyed in small dye lots and machine washable.

100% Superwash Merino Wool
4.5-5 sts/inch (US 7-9)
200 Yards/4 oz
Machine Wash Cold

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Manos del Urguary's Alpaca Heather is a celebration of the natural beauty and softness of alpaca yarn. With a full palette of kettle-dyed and bright hand-dyed colorways in 50 gram skeins, plus 3 gorgeous natural colored full skein colors available, Manos Alpaca Heather is the perfect choice for your next sportweight colorwork project, and it's soft enough to wear next to the skin.

*Grey, Beige, and Toast come in full 100 gram s

70% Wool/30% Alpaca
6-7 sts/inch (US 2.5-4)
164 yards/1.7 oz*
Hand Wash Cold

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Zauberball Starke 6 is Crazy's Sport/DK-weight cousin. This Sport/DK weight gradual color change yarn is uniquely designed. Schoppel Wolle has dyed each of its two plies individually in different colors to give Zauberball Starke 6 its bold marled self-striping pattern, and the heavier weight makes this a fun choice for sweaters and scarves.

75% Superwash Wool/25% Nylon
5.5 sts/inch (US 3-6)
437 yards/150g
Machine Wash Cold

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Caracol is 100% Merino and consists of a ply of bulky single-ply and a second ply of Malabrigo Sock yarn. This super bulky, thick-and-thin yarn from Malabrigo is so much fun to work with, and we love the texture it knits up. Perfect for cowls, hats, sweaters, and blankets, give Malabrigo Caracol a try for your next quick knit!

100% Merino Wool
Bulky Wt/2.25 sts/inch (US 13-19)
90 yards/150 grams
Hand Wash Cold