The Very Hungry Caterpillar™ Relaxed Fit Jogger SetFeatures: 70% Viscose from Bamboo, 25% Cotton, 5% Spandex Set includes long sleeve crewneck sweatshirt and more relaxed fit jogger pants Our bamboo is not chemically treated Fit: Jogger sets fit intentionally relaxed but true to size for the style (if you like the look as photographed, go with your usual size. For a more fitted look, size down) Care Instructions: Gentle wash cold, inside out, with like colors Tumble dry low Pro tips: Lay flat to dry