Material: Polyester. Quick dry, 4-way stretch, breathable, lightweight and comfortable Quick Dry: Lightweight and breathable polyester fabric helps wicks moisture away from the skin, which keeps you comfortable all the time Design: The athletic t-shirts features crew neck collar and no tag collar to reduce chafing and improve comfort Reflective Stripes: The reflective stripes on arms ensure visibility in low light, improving confidence and stylish for all outdoor activities Occasions: This workout short-sleeve shirt is suitable for a variety of sports and activities, including running, hiking, jogging, training, outdoor, exercise, fitness, yoga or walking