Inspired by cold-weather running, the United Airlines NYC Half NB Heat Grid Half Zip by New Balance is a versatile and stylish warming layer. This running top features NB HEAT grid fleece to help keep you warm while wicking away moisture, and a soft polyknit construction with just a bit of stretch for comfort. A woven chest pocket provides storage for your longer runs while thumbhole loops add an extra touch of style. Features NB HEAT technology helps keep you warm while wicking away moisture Polyknit construction with heat grid fleece Athletic fit built to skim your chest, waist and hip — perfect for active movement with a fit that’s not too tight Woven chest pocket for storage Half-zip closure Long sleeves for added warmth and protection Thumb loops in the sleeves provide a more comfortable fit 98% recycled polyester, 2% spandex