Seamless Long-Sleeved Jerseys are designed for ultimate comfort. Perfect to resist the chill of early mornings, sudden showers, or a quick descent. This breathable, low density, lightweight, micro polypropylene body fabric wicks sweat and dries fast. Designed to conforming to your body and provide a form-fitting appearance. Stretchy and ultra-light, it stows easily in a back pocket so you always have it with you when you need extra protection. This item extends the range of your summer clothing. 100% Made in Italy.