Related Clues:
- Cotton thread type
- Stocking fabric
- Sweater material, sometimes
- Synthetic sock fiber
- Cashmere, e.g
- DuPont acrylic fiber
- 13-Down's cover
- Crease-resistant fiber
- Synthetic fiber invented by DuPont
- Steel ___ (product sheared from robo-sheep)
- Durable stocking fabric
- Cashmere, for instance
- Wrinkle-resistant material
- Fabric originally called 'Fiber A'
- Crease-resistant fabric