Pearl Izumi - Ride Men's Elite Low Wool Socks 51% nylon, 46% Merino wool, 3% elastane Made in US Anatomic arch compression for a performance fit Autumn/Winter 2015 ELITE Transfer Merino wool yarns provide superior moisture transfer and insulation Flat toe seam construction provides superior comfort over toes Mesh ventilation over top of foot; Standard cuff height; Low cuff height