- Acrylic - A man-made fiber that provides softness and warmth with little weight and high durability. Acrylic's inherent properties allow it to hold brighter and more brilliant colors that its natural fiber counterparts.
- Lycra - DuPont's brand of spandex fiber that adds four-way stretch and recovery to increase form fitting ability.
- Elastic - A rubber or spandex core covered with nylon to provide extreme stretch and recovery