This men\'s running short sleeve base layer by the brand Runderwear is made from 92% polyamide and 8% elastane and is showcased in black. Also the black sports t-shirt is designed in a plain pattern, It is recommended to wash at 40 degrees, do not tumble dry,do not iron and do not bleach to keep this sports t-shirt in good condition. All the sports t-shirts come complete in runderwear packaging. The Runderwear Running Short Sleeve Base Layer - Black is a perfect piece for summer running as its short sleeve design lets you soak up the sun while going for your much loved run. As with all Runderwear products, you can be assured that you can enjoy a chafe-free running experience time after time. It is super soft against the skin and lightweight, just what you need in running attire. Its breathable and moisture wicking properties ensure you can focus just on putting one foot in front of another instead of worrying about getting hot and bothered. KEY FEATURES 92% Polyamide and 8% Elastane Chafe-free, Dynamic Heat Control, Breathable, Seamless, Moisture Wicking Short Sleeved Wash at 40 degrees, do not tumble dry,do not iron and do not bleach Complete in Runderwear packaging.