Intended to be worn all summer long no matter the activity, our Energy Tank will not disappoint! Made of a modal/lycra blend, it's soft, comfortable, and provides a light-weight feel. Reflective branding on the chest and upper spine make it easier to be seen after the sun goes down. Regardless of the midnight or white colorway you select, you'll be looking phresh! 91% Polyester Modal / 9% Lycra.