SPEG Michigan Mens Cycling Jersey 100% Vapore bio moisture fabric. Vapore Bio Moisture fabric is a fibre filament moisture system that siphons moisture away to evaporate. The filaments within the Vapore yarn provide the channels that support the movement of moisture away from the skin. The fabric is soft to the touch, comfortable, flexible and very forgiving in its fit. Improved styling for a more fitted look and feel. High quality full length SPEG custom hidden zip for style and comfort. Three large rear cargo pockets for mid ride essentials Soft high collar for extra comfort. Elasticated hip with full circumference SPEG silicone grip for an improved flexible fit