Hit the slopes this season in Smartwool's Ski Zero Cushion Extra Stretch Over the Calf Socks. Now with extra stretch around the calf area, these ultra-comfy Merino ski socks feature their most advanced Indestructawool™ technology for enhanced durability and our 4 Degree™ elite fit system for an unmatched performance fit. Plus, body-mapped mesh zones for added breathability.