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Wool is made from natural protein fibre that is shorn from sheep and other ruminants. After shearing, the fleece is washed to remove lanolin and impurities, then combed to align the fibers, spun into yarn, and woven or knitted into textiles.

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Wool's primary composition is the protein keratin, which is a fibrous protein that is similar to the protein found in human hair and nails. Keratin is made up of amino acids which are linked together to form polypeptide chains. Chemically, wool contains carbon, hydrogen, oxygen, nitrogen, and sulfur.

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Wool is renewable, durable, naturally flame-retardant, and fully biodegradable. It also sheds no micro-plastics. It is the most recycled apparel fibre by weight and can even be composted.

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Sports

Felt on tennis balls, baseball cores, billiard cloth

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Land & Water Pressure

Improperly managed grazing on extensive sheep pastures can accelerate soil erosion and reduce biodiversity. Scouring one tonne of wool can consume more than 500 liters of water and produce a wool-grease wastewater that requires intensive treatment.

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Home textiles

Durable yarns for carpets, rugs, blankets, upholstery fabrics and flame-resistant mattress ticking

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Smartwool

Collects any brand’s worn-out socks through its Second Cut mail-back and retail bins. Ground fiber is felted into new Hike socks and house-insulation panels.

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Patagonia (Worn Wear)

Takes back all Patagonia garments, then repairs, resells or mechanically shreds wool pieces into Recycled Wool Sweaters and other items.