Buyers searching for knitwear fabric today are asking two questions at once: will it perform, and can it be traced back to an ethical source? RWS Wool Knit Fabric answers both. It combines the natural performance of wool — warmth, elasticity, breathability — with independent, third-party proof that the fiber came from farms that meet recognized animal welfare and land management standards.

What Is RWS Wool Knit Fabric?

RWS Wool Knit Fabric is a knitted textile made from wool that has been certified under the Responsible Wool Standard (RWS), a global standard developed by Textile Exchange. The certification does not describe a weave or a finish — it describes the supply chain. It verifies that the wool was shorn from sheep raised on farms that follow defined animal welfare practices (the "Five Freedoms") and responsible land management, and that the fiber's chain of custody is tracked from farm to finished roll.

On the textile side, the "knit" construction is what gives the fabric its stretch and drape. Unlike woven wool, which holds a fixed shape, knitted wool is built from interlocking loops, which is why it moves with the body — making it a standard choice for sweaters, base layers, and fitted garments. Our own production line offers this construction across several blends, including the RWS Wool Knit Fabric itself and the closely related RWS Wool Jersey Fabric.

Why the RWS Certification Matters to Buyers

Sustainability certifications are often used loosely in marketing copy, so it helps to know exactly what each one covers before specifying a fabric. The table below compares RWS against the other certifications most commonly referenced in wool and blended-fiber sourcing.

Guocheng Linen Knitting holds GOTS, OCS, GRS, RWS, and OEKO-TEX 100 certification across its product range, which is detailed on our About Us page. Because RWS certification travels with the fiber lot, buyers can request transaction certificates to confirm traceability for their own compliance documentation.

Technical Specifications

Specification sheets for wool knit fabric vary by blend and construction, so we've laid out the typical range you should expect when sourcing, along with the notes that matter for garment planning.

Performance Properties and Where They Matter

Solving the Technical Issues Buyers Actually Run Into

Most complaints about wool knit fabric trace back to a handful of predictable causes. Here is how to diagnose and prevent each one during production and after the garment reaches the end customer.

Care Instructions

RWS Wool Knit Fabric is machine washable when handled correctly, but the finishing steps matter more than the wash itself:

• Wash in cold or lukewarm water inside a mesh laundry bag.
• Use a mild detergent formulated for wool; avoid bleach and enzyme-based detergents.
• Dry flat on a towel — never hang or tumble dry.
• Iron on low heat with steam only if necessary, and always on the reverse side.

Compare Our RWS and Wool-Blend Knit Fabrics

Guocheng Linen Knitting produces several wool knit constructions side by side, so buyers can match weight and blend to a specific end use without switching suppliers.

Full specifications for these and other constructions are catalogued under our Wool & Cashmere product category. Buyers working toward recycled-content or organic-content certification targets can also browse our Organic Content and Recycled Content ranges for blend options beyond wool.

About Zhejiang Guocheng Linen Knitting Co., Ltd

Established in 2011 and based in Tongxiang City, Zhejiang Province, Guocheng Linen Knitting operates a 34,000 square meter facility with a team of 150 and an annual production capacity of around 5,000 tons. Roughly 70% of our finished fabrics are exported, with active buyers across Europe, the Americas, and Asia. Our production scope covers wool and cashmere, linen and hemp blends, cotton, lyocell, modal, bamboo, and polyester, alongside dedicated organic-content and recycled-content lines — details are available on our About Us page and our Ability page, which outlines our manufacturing and testing capabilities in more detail.

Frequently Asked Questions

Is RWS Wool Knit Fabric suitable for people with sensitive skin?
Yes, provided the wool is fine-micron merino. Coarser wool blends can still feel prickly to sensitive skin, so requesting the micron count before bulk ordering is worth doing.

What's the difference between RWS wool knit and standard wool knit?
The fiber and knit properties can be identical. The difference is traceability — RWS certification confirms the farm-level welfare standards and chain of custody behind the specific lot you're buying.

Can this fabric be blended with recycled or organic fibers and still carry RWS certification?
Yes. RWS certifies the wool component's origin; it can be combined with GRS-certified recycled fiber or OCS-certified organic fiber in the same fabric, provided both certifications are carried through the transaction paperwork.

What minimum order quantities and lead times should I expect?
MOQs and lead times vary by blend, dye lot, and finishing requirements. Contact our team directly through the Contact page with your target composition and weight for an accurate quote.