Ultimate warmth and luxury await you with the Tanana Women's Expedition Crew. Use this top when arctic temps rear their ugly head and try to keep you indoors. Use it on your next winter excursion, whether it's snowshoeing, cold-weather hunting, or shoveling the driveway.FabricFiber Content: 100% Merino WoolKnit: 400 g/m2 Expedition Interlock KnitMicrons: 18.5 Micron FibersUPF Rating: 50+Total Easy Care: Machine Wash and DryWool Source: AustraliaImported.FeaturesNeckline: Crew NeckPrincess Seams: Flattering, Shaped SilhouetteTagless Label: No Itchy Neck TagsFlat Lock Seams: Prevents ChafingLayer Type: Base Layer, Mid LayerFit Type: Regular - Standard fit with a little bit of room to breathe, but not too baggyRuns True to SizeWeight: Size Medium = 12.8 oz. (362 grams)Style #: 807UsesIdeal Seasons: Fall, WinterActivities: Everyday Wear, Hiking, Camping, Biking, Running, Fishing, Hunting, SnowsportsTemperature Recommendations: 0AdegF and below while active, 0AdegF to 30AdegF while inactive - Learn More CareWashing and Drying Instructions - Learn MoreTurn Inside OutMachine 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!Product StoryTanana [tan-uh-nah]The Tanana River is in east-central Alaska and an important tributary of the Yukon River. It runs by the northern city of Fairbanks before joining the Yukon River, where it is still an important waterway for commerce.