KOAR TT300 S/S Compression T-Shirt - Men's Exceed your potential with the KOAR TT300 Short-Sleeve Compression T-Shirt. Designed for high-performance, this short-sleeve compression t-shirt can help you perform longer and recover faster. KOAR’s signature material treatment, Bio Performance Technology encourages your body’s smallest blood vessels to expand. This expansion allows you to utilize oxygen more efficiently, increasing your in-game stamina. Whether you’re training, practicing, or competing, greater oxygen intake can lead to greater results. Bio Performance Technology also helps manage your body temperature and increase your recovery time. The material responds to your environment, providing a cooling effect in the heat and warming effect in the cold. Venting panels increase airflow, keeping you dry during the most-intense activities. As your push yourself, lactic acid builds up in your blood. This leads to muscle soreness, fatigue, and increased injury risk. This compression t-shirt reduces the blood lactate in your blood, helping you get back to 100% quicker. 4-way stretch fabric enhances your range of motion, allowing you to maximize your awesome, athletic movement. Flatlock stitching reduces rubbing and skin irritation, providing a gentle touch and increasing your comfort. UV protection helps defend against the suns harmful rays, while reflective details increase visibility in low-light conditions, allowing you to safely use during the day or night. 85% nylon/15% spandex. Imported.