100% Polyester Imported and Designed by Jeansian Garment Factory. Tumble dry If You Want Loose fit, Please Choose 1 Size Up. Size please take Product Description below for reference.Please allow 1-2cm difference due to manual measurement. Garment Care: Machine wash or Hand wash in cold water, No Bleach, Low iron and tumble dry on low heat. Moisture Transport System sweeps away sweat and dries quickly. Hand Wash or Dry Clean by Cold Water. Flat lock seams to prevent chafing. Suitable for all sports indoors and outdoors,such like: running, basketball, cross training and etc.