Material: Polyester and Spandex. Lightweight, stretchy, Breathable. Light material for superior comfort and mobility. The elastic fabric offers complete freedom of movement during indoor and outdoor activities. Moisture wicking: The lightweight and breathable fabric removes sweat from your skin quickly. Keep you cool all day! Sun Protection: UPF 50+ fabric for maximum protection against harmful UVA and UVB rays. Desgin: Crewneck design, the tag-free label and double needle hem. The Sleeveless design covers the essential parts while still keeping your arms well-ventilated. Helps move your arms freely and work out comfortably. Great for workout, running, gym or home fitness. Perfect for: Running, workout, gym, training, exercise, fitness, yoga, weightlifting, boxing, basketball, tennis, soccer, etc.