When the temperature heats up, take your running kit to the next level in the NB Ice Running T-Shirt. This has been updated from the previous season with extra mesh on the back to provide cool, breathable comfort. Perfect for when you push your training to the limit, this this t-shirt has a structured knit design with strategic mesh piecing and sweat-activated NB ICE cooling technology that keeps air flowing freely. A headphone port at the back collar helps to keep cords in place, while an underarm gusset provides greater freedom of movement. Ideal for wearing after the sun goes down, it also has 360 degree reflectivity to help you stay visible after dark.