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Demystifying Tech Packs: The Key Difference Between Grade Rules and Graded Measurements



Ever felt lost when it comes to tech packs and garment sizing? You're not alone! Two terms often trip up apparel entrepreneurs and designers: grade rules and graded measurements. While they sound similar, understanding the distinction is crucial for clear communication with factories and achieving size consistency.


This blog post dives deep into the world of tech packs, explaining the key differences between grade rules and graded measurements, and how they work together to ensure a smooth production process.


Grade Rules: The Master Plan for Size Changes

Imagine a perfectly sized garment – your ideal sample. Now, picture replicating this design in various sizes, from small to large. Grade rules act as the roadmap for these size adjustments. They define the specific changes needed to transition from one size to the next.


For instance, your grade rule might state that a large needs to be 2 inches wider across the chest compared to your medium size. Similarly, a small might require being 2 inches narrower than the medium. These consistent rules are documented in your tech pack, ensuring the factory understands precisely how much to adjust the pattern for each size.


Graded Measurements: Bringing the Size Chart to Life

While grade rules outline the size adjustments, graded measurements represent the actual measurements of your finished garment in each size (e.g., chest measurement for a size small might be 36 inches). These measurements portray the final product a customer will receive.


The Perfect Tech Pack Duo: Grade Rules & Graded Measurements

Including both grade rules and graded measurements in your tech pack is best practice. This comprehensive approach offers several advantages:


  • Clarity for Factories: Factories receive clear instructions on how to modify the base pattern for each size, minimizing errors and miscommunication.

  • Consistent Sizing: By following established grade rules, you achieve consistent size variations across your entire garment range.

  • Streamlined Production: Clear communication leads to fewer revisions and delays during production.


Master Your Tech Packs and Elevate Your Apparel Brand

Understanding grade rules and graded measurements empowers you to create detailed and accurate tech packs. This, in turn, fosters smoother communication with your manufacturing partners and ultimately, a successful garment production run.


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