When you're ready to put in a hard day's work, you need a tough sock that will go the distance for you. The Workhorse Sock is just that sock. Rugged and tough, the Workhorse will stand up to whatever you can throw at it.Fabric66% Merino Wool, 33% Nylon, 1% Spandex Total Easy Care: Machine Wash and DryWool Source: AustraliaImported.FeaturesHeight: CrewWeight: MidweightFull Terry: Warm merino cushioning throughout the sockFull Foot Plating: Extra durability on the footbedSeamless Toe: Smooth, comfortable finish on the toeWeight: Size Large = 4 oz. (113 grams)Style #: 901UsesIdeal Seasons: Spring, 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!