Older model of Injinji No Show socks. General wear - see pictures for pilling. Still have a ton of life left! No wear or thin spots found. I really didn't wear them too much. Just need a different size. Good starter sock if you want to try 5 toe life. Offering Total Foot Utilization to stop skin-on-skin friction and prevent blisters, the Injinji Run Lightweight No Show socks deliver innovative, restriction-free movement and moisture management. Mesh top panels and arch support help protect your feet while running on any surface and at any distance, from training runs to race day With each toe protected, skin-on-skin friction is completely eliminated to protect your feet from blisters and hot spots Unisex sizing