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Fit planning · Knit dress grading

Knit Dress Size Grading for Size-Inclusive Collections

A useful size run starts with a fit target and a measured base size. Define how each point of measurement changes, then check the full range on samples or a documented fit review before approving production.

By WTBF · Knitwear buying guides

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A considered size-inclusive knit dress capsule displayed with measurement references in a bright product studio.

Choose a fit target before choosing size labels

Record who the dress is designed to fit, the intended silhouette and the amount of ease at the bust, waist, hip and hem. Use a size chart your customers already understand as a reference, but do not assume a familiar label maps to the same garment dimensions across brands. Pick one base size, identify the fit model or approved reference sample, and state whether the skirt should skim, hang straight or flare. For an inclusive range, note where fit priorities change rather than extending every measurement by the same amount.

Three knit dresses in a size range arranged with a garment measurement chart and yarn swatches.

Write a point-of-measurement chart for the dress

Name each measurement point and show exactly where and how to measure the finished garment. A knit dress chart commonly covers half chest, waist, hip, shoulder, armhole, sleeve, body length and hem width; include neckline depth or skirt length when those define the design. State whether the garment is laid flat, buttoned or relaxed, and give an agreed tolerance for each point. Separate body measurements from garment measurements so a factory does not have to infer ease. Attach a clear front and back sketch with arrows to remove ambiguity.

A tape measure checking the chest, waist and hip points of a knit dress on a dress form.

Set grade increments around the silhouette

Decide how each measurement changes between adjacent sizes; do not apply one increment to every point. Chest and hip may need different steps, while shoulder, sleeve and total length can change more gradually. A flared skirt needs particular attention at the hip and hem because a small upper-body grade does not guarantee the intended sweep below. Put the base measurement and every size increment in one chart, then ask the pattern or technical team to flag any points that should be held, graded differently or checked for proportion. Keep the chosen size labels and grade rules together in the same specification version.

A square flat lay of three knit dress samples showing how chest, waist and skirt proportions vary by size.

Review fit across the range before bulk approval

Measure the first sample against the base chart, record actual values beside target values and photograph the garment in a consistent setup. Check movement, recovery, neckline stability and skirt balance as well as static measurements. Review representative sizes at the ends and middle of the range, then document any corrections by point of measure and size. A revised sample should be checked against the updated chart; approval of one size alone does not demonstrate that every grade works. Send WTBF the reference, size range, chart, tolerances, yarn direction and required sample set so development scope and timing can be confirmed for the project.

A knit dress fit sample, revised measurement chart and annotated approval notes arranged for a buyer review.
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