Stretch factor for fabric means how much the fabric stretches. For every stretch direction, the pattern must include the stretch percentage.
What is Stretch Factor (A Quick Guide)? - Pattern Emporium
Textured Stretch Knit Fabric Black & White, 1233136
Minerva Core Range Activewear Lycra Four Way Stretch Knit Fabric, 1136466
AFI Elegance Bra Sewing Pattern – AFI Atelier
What is Stretch Factor (A Quick Guide)? - Pattern Emporium
FORCE - Compression Knit Fabrics for Shapewear - MITI Spa
What is Stretch Factor (A Quick Guide)? - Pattern Emporium
Maya Bra Sewing Pattern – AFI Atelier
About fabric stretch factor – AFI Atelier
Maya Bra Sewing Pattern – AFI Atelier