- Regular fit - Round neck - 100% polyester (recycled) - Moisture-absorbing - Mesh inserts - 360 degrees of reflectivity - Mock eyelet - 100% rec polyester - adidas performance- Best for runningFeel your best while training, racing or just escaping the day. This adidas running t-shirt goes beyond helping you achieve that feeling and fully champions you every step of the way. Breathable mesh inserts and AEROREADY double up to make sure that when the heat builds, you stay cool, dry and comfortable. Go ahead and tackle unpredictable challenges. That's really just part of the fun.. ADIDAS Run It Tee