Balega Hidden Contour

New improved elastane throughout for a more structured hold providing a second skin fit Hand linked toe closure Reinforced heel and toe Mesh construction for ventilation Medium volume construction Plush under sole cushioning for extra protection Heel tab helps prevent the sock from slipping into you running shoe small - men 4.5 to 6.5 and women 6-8 medium - men 7 to 9 and women 8.5 - 10.5