ABOUT THIS PRODUCT: With full, plush cushioning, the Classic Mountaineer Maximum Cushion Crew sock is just right for your long-distance and backpacking hikes. And you can stock your sock drawer with this multipack. 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. FEATURES: Our thickest and warmest Classic Edition sock, the Mountaineer Crew is built for extreme comfort in cold conditions. Made with Merino wool to help manage moisture and regulate temperature, it’s ideal for high-altitude adventures and winter treks. MAXIMUM CUSHION: Built for ultimate protection and endurance, this ultra-plush cushioning absorbs impact, reduces foot fatigue, and helps prevent blisters - ideal for high-mileage days. CARE INSTRUCTIONS: Machine wash cold or warm on a gentle cycle, and tumble dry on low heat. For best results and to preserve fabric quality, always wash inside out. GO FAR, FEEL GOOD – SMARTWOOL EST. 1994: Born on the slopes of Colorado, Smartwool is driven by the belief that time outside is time well spent. We harness the natural performance of Merino wool to keep you comfortable, so you can go farther, feel better, and experience more—every step of the way.