Hanes Youth ComfortBlend EcoSmart Sweatpants 50% cotton/50% polyester, with up to 5% polyester created from recycled plastic pants closure Imported 5% cotton/5% polyester, with up to 5% polyester created from recycled plastic. Imported 5% cotton/5% polyester, with up to 5% polyester created from recycled plastic. Made with up to 5% polyester made from recycled plastic bottles. High-stitch density, so it lasts longer, without pilling. Covered elastic waist stretches for non-binding fit.