Run for it! Reflective Apparel for Early Morning and Evening Exercisers Highly reflective for ultimate safety and visibility from distance in dark or low-light conditions. Premium microfiber materials to enhance comfort and temperature regulation. Great artwork let's you make your statement to the world even in the lowest light. A fun, comfortable, and stylish shirt no matter what the light conditions or the activity. Available in 100% Microfiber Polyester or 70% Cotton/30% Microfiber with Dri-balance technology.