AN ESSENTIAL MIDLAYER. The Nike Pacer Crew has smooth, light fabric to add an extra bit of warmth. It wicks sweat to help you stay dry and comfortable. Light fabric feels smooth on the outside and has a mesh face on the inside. Dri-FIT technology helps you stay dry and comfortable. More Details: Standard fit for a relaxed, easy feel, raglan sleeves, bonded hem, reflective elements, 100% polyester, machine wash, imported, not intended for use as Personal Protective Equipment (PPE).