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| Decision field | Free downloadAFIRM Restricted Substances ListGlobalRemove | Open accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemove | Open accessControlled Tech Pack OrientationGlobalRemove | Open accessKnittyGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Check standards | Find patterns & fit | Source production | Find patterns & fit |
| Area | Standards | Patterns & fit | Production | Yarn |
| Best for | Building a product chemical-restriction baseline | Auditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence | Understanding what a tech pack must control before using a template or releasing work | Free editorial knitting patterns and techniques |
| Know before using | AFIRM states that its list is guidance, not legal advice, an industry standard of care, or a guarantee of completeness or brand acceptance. It does not replace current law, a customer's stricter RSL, manufacturing-input controls, a product-specific risk and sampling plan, accepted laboratory methods, supplier controls, or performance and safety testing. | The record does not create a production grade, supply universal increments or breakpoints, validate a CAD file or fit population, reproduce licensed standards, or replace qualified anthropometric, pattern, technical-design, fit, quality, accessibility, safety, statistical, and user-research review. | An orientation rather than a completed product record; it does not supply a universal format, licensed standard content, measurements, tolerances, construction settings, labels, approvals, compliance conclusion, or product-release authority. | Free access does not grant commercial reproduction or sale rights; uses beyond one personal copy must be resolved with the designer or author. Knitty says it tries to avoid errors but disclaims responsibility for pattern and technique inaccuracies. Check the live page for corrections, verify gauge and measurements, and confirm permission before any commercial use. |
| Practical access | ||||
| For | Apparel brands | Apparel brands | Apparel brands | Makers |
| Location or jurisdiction | Global | Global | Global | Global |
| Access | Free download | Open access | Open access | Open access |
| Format | Reference | Stitch Authority | Stitch Authority | Reference |
| Source type | Industry organization | Stitch Authority | Stitch Authority | First-party platform |
| Source and review | ||||
| What the source establishes | AFIRM publishes a 2026 multilingual Restricted Substances List for chemicals in finished apparel, footwear, accessories, and related materials, with a material-specific testing matrix. Its FAQ says the list does not cover product-performance testing, distinguishes the finished-product RSL from manufacturing-input lists, and tells suppliers to check each customer's brand-specific requirements and testing acceptance. | The guide cites current ISO body-table, size-designation, and garment-measurement boundaries plus two peer-reviewed studies that tested the relationship between conventional grade rules, anthropometric evidence, and garment fit; it requires product-specific target deltas and validation instead of publishing universal increments. | The guide cites current ISO sources for documented-information, garment-measurement, stitch, and seam boundaries plus current U.S. FTC textile and care-labeling guidance; it explicitly separates those authorities from product-specific technical and market decisions. | Knitty currently publishes web-only editorial issues containing original knitting and crochet patterns and articles. Its legal page states that patterns are free for one person's personal use, identifies each designer or author as the copyright holder, and explains that verified pattern corrections are posted in bright pink on the pattern page. |
| Linked page reviewed | Jul 21, 2026 | Jul 16, 2026 | Jul 16, 2026 | Jul 21, 2026 |
| Next review due | Oct 19, 2026 | Jul 16, 2027 | Jul 16, 2027 | Jan 17, 2027 |
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