Our Mountain Heritage Expedition Crew Socks provide the ultimate protection in winter weather, from the mountains to the hills. Crafted in the USA with a heavyweight design, these socks are perfect for outdoor workwear and hiking. Enjoy comfortable warmth and long-lasting durability in any cold weather activity.FabricFiber Content: 80% Merino Wool, 11% Nylon, 7% Stretch Nylon, 2% SpandexTotal Easy Care: Machine Wash and DryWool Source: AustraliaMade in the USA.FeaturesHeight: Crew - Sits comfortably at the bottom of the calf. This is the most common sock height.Weight: ExpeditionFull Terry: Warm merino cushioning throughout the sockFull Foot Plating: Extra durability on the footbedSeamless Toe: Smooth, comfortable finish on the toeWeight: Size Large = 5.6 oz. (159 grams)Style #: S95UsesIdeal Seasons: Fall, WinterActivities: Everyday Wear, Hiking, Camping, Biking, Running, Fishing, Hunting, SnowsportsCareWashing and Drying Instructions - Learn MoreMachine Wash Cold: Gentle cycle with like colorsDetergent: Mild or wool-specificTumble Dry: Low heatStorage: Place in an airtight container when not in use for long periods of timeDo NOT Use: Fabric softener or bleach!