Teko Men&#39;s EcoPoly Light MiniCrew Socks, Navy, Large 100% Spandex Designed for running and cycling tekoPOLY Recycled Polyester dries quickly and has excellent moisture-transfer properties; recommended for warm or hot weather Exceptional fit: Seamless toes, arch support, anatomical y-heel, Strike-Zone Cushioning Soft, durable tekoPOLY dries very quickly; perfect for hot weather wet-dry activities like trailrunning and mountain biking Made in USA