material is made from Polyester and spandex , so it is lightwiehgt and thin, so when people wear it will feel cool and fit the skin drawstring waistband could suit for different size of people, tightness could be adjusted , which make people feel more comfortable for all-purpose, people could wear in daily life ,for running or training,for casual or for party,for fitness Pants could match with many model of shirt , Tee , Jacket , Jeans,hoodies or sweater ,which could make it looks fashion Pants are Solid color grey and black , with prokets in both size, during running, some important things could be fill in it.syi