VERSATILITY FOR YOUR WORKOUT The NikeLab Essentials Baselayer Women's Long Sleeve Training Top is an ideal piece to wear solo, under a vest or over a tank for versatile coverage that keeps up with your dynamic workouts. Premium Coverage A balaclava-style hood provides adjustable coverage, while the lightweight fabric features Dri-FIT Technology for sweat-wicking performance. Made for Movement Thumbholes help keep the sleeves in place, while flat seams move smoothly against your skin. Storage A hidden pocket on the left holds your credit cards or phone to keep your valuables secure while you focus on your workout. More Details Reflective elements stand out in low light Fabric: 92% polyester/8% spandex Machine wash Imported