Sugoi Men's Zap Run Vest, Small 75% Polyester Pongee 25% Micro-Glass Beads Made in the USA and Imported Breathable, water resistant fabric keeps you comfortable in the elements Zap reflectivity that is designed for high visibility when struck by artificial light Media management System on collar to secure headphone cords Fabric Type :75% Polyester Pongee 25% Micro-glass beads