Two way stretch nylon/lycra in plain and prints, cotton lycra and blends, neoprene/scuba.
A few recommendations for use:
Swimwear, sportswear, yoga, bike shorts.
Heather’s handy hints:
Don’t be afraid of two way stretch fabrics! Use a three thread overlock stitch or double zig zag stitch and pull the fabric slightly as you sew. This will give more elasticity to the stitches.