Buyer Resource
Shapewear Size Grading and Fit Testing Guide
How buyers can define size charts, compression expectations, tolerances, and fit-test approvals.
Quick answer
A reliable shapewear size range starts with target-body measurements, garment measurements, stretch and recovery tests, and fit approval across multiple sizes.
Buyer checklist
1. Define the target customer
Document target markets, body measurements, intended compression, use case, and expected coverage.
2. Create garment measurements
Set points of measurement and tolerances for every size instead of relying only on a consumer-facing size chart.
3. Test material behavior
Measure stretch, recovery, opacity, seam performance, and comfort after wear and washing.
4. Run graded fit tests
Review more than the base size. Check rolling, digging, compression balance, closures, and movement.
5. Lock the approved standard
Keep the approved sample, measurement sheet, materials, and change history as the production reference.
Frequently asked questions
Why does shapewear fit testing need multiple sizes?
Compression and coverage do not scale evenly across a size range, so testing only the base size can hide rolling, digging, and support problems.
What should a shapewear specification sheet include?
Include points of measurement, tolerances, material composition, stretch direction, compression intent, construction details, color, trims, labels, and packaging.
Apply this checklist to your project
Send your target product, quantity, market, and specifications for a documented feasibility review.
Discuss your sourcing brief