Brand New! In packaging! An elevated training staple packed with features for comfort and breathability in every session. WITH STRATEGIC ZONE CUSHIONING FOR COMFORT, XT2 SILVER THREADS TO RESIST ODOR, AND BREATHABLE STRETCH FABRIC FOR PERFORMANCE, THE TRAINING SOCKS ARE DESIGNED TO KEEP YOU MOVING THROUGH EVERY RUN, REP, AND RIDE. Medium compression rib XT2 Silver-Ion threads for permanent anti-odor Ultra-breathable performance mesh Strategic zone cushioning Anatomical arch support Ergonomically left-right contoured 90% Nylon / 6% XT2 Polyester / 4% Spandex