Women's short-sleeved RACER Sport Shirts Seamless sports shirt. These activewear sports shirts are stylish and versatile, perfect for yoga, running, Zumba and any type of fitness. BREATHABLE and QUICK-DRYING: Our short sleeve “Racer” T-shirts offer you high breathability and regulate the temperature during your workout. The label-free cutout and the lightweight, soft material ensure comfort and prevent skin irritation. The material with four-way stretch and high flexibility offers maximum freedom of movement. Subtle accents and texture highlights make the Racer sports shirt the perfect companion.