Our first complete compression sock, the Compression Zero Cushion snow sock offers an uncompromising form fit and helps facilitate blood flow to your feet. Complete with Le Bent's stacked roster of other features, the Compression socks are everything you know and love from Le Bent with the added benefits of Compression.  Materials 32% Rayon from Bamboo, 23% Merino Wool, 41% Nylon, 4% Elastane Care Instructions These socks can handle whatever you throw at them, but for optimum long term comfort and performance treat your socks to the following: Warm Machine Wash Gentle Cycle - Turn Inside out before washing. Do Not Bleach - You will remove the natural goodness. Do Not Tumble Dry - Best let nature take care of it, they dry fast! Do Not Iron - Would you really want to anyway? Do Not Dry Clean - Best to care for these garments yourself. Features Definitive Fit System Stay up cuff Achilles & ankle band support Snug ‘Y’ fit heel Instep support Mesh ventilation Impact cushion zone Ghost seam Le Bent Compression Zero Cushion Ski Socks