Home / All / Fabrics & Performance / How can I check whether leggings are squat-proof and prevent see-through issues?
How can I check whether leggings are squat-proof and prevent see-through issues?
Check leggings during movement and under stretch, not only as an unstretched fabric swatch. Stretch can increase light transmission, so leggings that look opaque when standing may become see-through during a squat.
Sample approval checklist
For a brand's sample approval:
- Review every planned color, with fit checks across the intended size range.
- Use consistent daylight and indoor lighting, including light from behind, with a defined contrasting underlayer.
- Check the seat and upper thighs during squats and forward bends.
- Repeat after agreed wash cycles; add damp-condition checks when relevant to the intended use.
- Record the fabric reference, size, lighting, stretch conditions and acceptance criteria.
When a sample fails
If a sample fails, review fabric construction, color and fit rather than relying on fabric weight alone. Use these checks for development screening, and agree with a laboratory on any formal test needed to support a squat-proof claim.
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