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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Flette Bulky is a cozy, bulky weight yarn that is light as a feather, and you'll want this ultra-soft, 17.5 micron Merino wool next to your skin always. This yarn's puffy, boucle texture will knit or crochet up quickly, creating sweaters or hats in no time.

100% Merino Wool
4 sts/inch (US 10-11)
131 yards/100 grams
Hand Wash Cold

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Luft translates to 'air', and that perfectly descibes this yarn from Woolfolk! Luft is made with an organic cotton chainette that's been filled with the softest merino wool, creating a light and warm chunky to bulky weight yarn that is perfect for cozy accessories of all kinds.

55% Merino Wool/45% Pima Cotton
3-3.5 sts/inch (US 9-11)
109 yards/50 grams
Hand Wash Cold

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Tweed DK is a soft, tweedy yarn with Donegal neps. This lofty DK weight yarn from Spun Right Round is currently available in a palette of 10 stunning semi-solid shades which show off to great effect with the tweed! This is a great yarn for accessory or sweater projects and subs well for any popular patterns calling for a DK weight tweed style yarn.

85% SW Merino/15% Donegal Nep
5.5 sts/inch (US 5-6)
230 yards/100g
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 Farm Twist is a perfectly plump two-ply yarn that is begging to become your next cozy sweater or accessory to gift! You have to feel it to believe it, but just imagine two strands of everyone's favorite Tosh Merino Light spun together, and you'd have Farm Twist.

100% Merino Wool
5-5.5 sts/inch (US 6-7)
225 yards
Machine Wash Cold

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Manos del Uruguay Marla is a light DK weight yarn featuring two contrasting strands of yarn that have been dyed separately, then plied together to create a unique marled yarn. Each stitch brings a new pop of color! Marla is great for colorwork in your knit or crochet projects, or try it on it's own for colorful treat.

100% Superwash Merino
5-5.75 sts/inch (US 4-6)
273 yards / 100g
Machine 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