With full, plush cushioning, the Classic Mountaineer Maximum Cushion Crew sock is just right for your long-distance and backpacking hikes. And with a taller crew height, it can accommodate all your favorite boots. Its elasticized arch brace offers a 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. Indestructawool(TM) durability technology is intentionally knit into high impact wear zones, helping your socks outlast your longest adventures 4 Degree(TM) Elite Fit System offers a performance fit with strategic stretch and mesh zones to promote breathability while helping protect against blisters Virtually Seamless(TM) toe technology is a flat knit toe seam designed for additional comfort Made in the USA of Imported Yarn: 72% Wool-Merino 27% Nylon 1% Elastane Machine Wash Warm, Inside Out Do Not Dry Clean Do Not Iron Tumble Dry Low Do Not Bleach