Whistle & Flute Bamboo Jogger BlackOur bamboo Joggers are made from super soft, super cozy, Bamboo Cotton French Terry and feature striped cuffs, a slight harem and fitted legs. Unisex and versatile, they're a perfect staple for every cool kids wardrobe. 57% Organic Cotton 38% Bamboo Rayon 5% Spandex We know the last thing you want to do as parents are to have kids clothes you need to fuss about. We suggest throwing it in with everything else on cold and tumble dry low.