Smartwool Mountaineer Classic Edition Maximum Cushion Crew Socks Excellent Condition With full, plush cushioning, the Mountaineer Classic Edition Maximum Cushion Crew Sock is just right for your long-distance and backpacking hikes. Its elasticized arch brace offers secure, lasting fit, and its flat knit toe seam helps with in-shoe comfort. Our thickest, warmest sock, this wool crew helps ensure that your feet stay comfortable, no matter how long the hike. Our thickest, warmest sock Elasticized arch brace for secure fit Flat knit toe seam for additional comfort 74% Merino Wool 8% Nylon 17% Recycled Nylon 1% Elastane Style: SW013300 Machine wash warm, inside out. Do not bleach. Tumble dry low. Do not iron. Do not dry clean. T2 #40