The Nike Element Half-Zip: Breathable warmth for cool daysCombining breathability, comfort and warmth, the Nike Element Half-Zip Men's Running Shirt is ideal for cooler days when you need more than a T-shirt. BenefitsSoft, warm Dri-FIT fabric to wick sweat and help keep you dry and comfortable in chilly conditionsMesh underarm panels for ventilation to help regulate temperatureErgonomic seaming for less friction and greater range of motionDesignThe Nike Element Half-Zip features long raglan sleeves and a stand-up collar for warmth when you need it. For reduced irritation and great range of motion, this shirt has ergonomic seaming that maps the natural contours of the body. And flat-seam construction on the sleeves also reduces irritation and enhances mobility. FabricSoftness meets breathability in this men's running shirt. Dri-FIT jersey fabric helps you stay dry and comfortable by wicking sweat away from skin to the fabric's surface, where it quickly evaporates. Plus, it's soft against your skin for comfort. For extra ventilation in high-heat zones, this shirt features mesh underarm panels. And spandex adds stretch, enhanced range of motion and a comfortable, athletic fit. Additional DetailsReflective cord-management loop at the back neck to keep cords out of the way while enhancing visibility in low lightCenter-front zipper with reflective taping for ventilation and enhanced visibilityFabric: Dri-FIT body: 92% nylon/8% spandex. Mesh: 90% polyester/10% spandex. Machine washImported