Shop All Power Boost Yarns

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Malabrigo Vientos yarn is a two-plied bulky 100% superwash merino wool yarn that brings its expressive personality to every project you make. Vientos is a fantastic pick for scarves and winter accessories, or even a beautifully drapey cowl-necked sweater. Malabrigo Vientos is hand-dyed by family-owned yarn company Malabrigo in Uruguay.

100% SW Merino
Bulky - 3.5 sts/inch (US 10-11)
130 yards/100g
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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Dream in Color Yarn Cosette is versatile DK weight yarn. Superwash merino with a touch of luxurious cashmere, and nylon that will give your projects beautiful drape, Dream in Color Cosette is a plied yarn with a springy twist that will work up with a super soft and subtle halo.

70% SW Merino/20% Cashmere/10%Nylon
5.5-6.5 sts/inch (US 4-6)
270 yards/4 oz
Machine Wash Cold

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Camellia Fiber Company Organic Merino Sport is a 100% merino wool plied yarn that works up well in cables and textured stitches. A sportweight yarn, Camellia's Organic Merino Sport shines in large garment projects and can even pull double-duty as a heavier pair of socks. This is a non-superwash yarn.

100% Organic Merino Wool
Sportweight
328 yards/100g
Hand Wash, Dry Flat

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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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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 Silk Blend is a luxurious single-ply, DK-weight blend of merino wool for softness with silk for lustre and drape.  Perfect for indoor garments and transitional outerwear, Manos Silk Blend's brilliant palette invites traditional colorwork.  The soft heathering of the fiber blend plus the gentle striations of the kettle-dyeing process also give depth and complexity to single-color projects.

70% merino wool/30% silk
5.5-6 sts/inch (US 4-6)
150 yards / 50g
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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Far from Woolfolk is a chainette worsted weight yarn, a delight to knit with. Try Far for a squishy, cozy cowl or a sumptuous sweater - this luscious yarn knits up soft and drapey with a wonderful sheen, and is sure to please!

100% Merino Wool
4-4.5 sts/inch (US 6-8)
142 yards/50 grams
Hand Wash Cold

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Queensland Collection's Kathmandu Aran 100 is a long-time fiber favorite that you'll be delighted has returned. This aran weight tweed yarn has excellent stitch definition, making it a wonderful choice for cabled fall sweaters or accessories.

85% Merino/10% Silk/5% Cashmere
4.5 sts/inch (US 8)
208 yards/100g
Hand Wash Cold

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Blossoms Sport from Wonderland Yarns are a sportweight long-color-change yarn that transitions seamlessly through several beautiful colors from end to end. Each generous 6 oz skein of Wonderland Blossoms Sport contains 515 yards of sportweight superwash merino yarn, plenty for nearly any shawl project or even knee-high socks! Blossoms Sport is the same yarn base as Wonderland Yarns Mad Hatter.

Wonderland Blossoms Sport can be machine-washed bu

100% SW Merino
5-6 sts/inch (US 4-6)
515 yards/6 oz
Hand Wash Cold