These Reima sweats for kids are made from a new, soft material that includes recycled polyester! Using recycled water bottles as raw material for polyester means less plastic waste and a more eco-friendly outfit. The material is easy-care, quick-dry, and extremely comfortable to wear. It's perfect as a mid-layer while at school or for chilly days outdoors. The elastic waist on these tracksuit bottoms can be adjusted with handy drawstrings.