No cushion. All performance. Smartwool's thinnest Merino wool ski socks are the perfect pairing for your tight-fitting ski boots, and still offer you the all-day comfort you need to stay out longer. Featuring Smartwool's most loved sock technologies for an enhanced fit and durability, the Ski Zero Cushion OTC Socks are everything you need to help take care of your feet and stay focused on the runs ahead.