Looking to keep your legs toasty warm? If so, look no further because you have found the ultimate in softness and warmth. There&';s a reason why these are our best-selling bottom, and that&';s because they consistently deliver when you need them too. Skiing, hiking, or sitting at home on a cold day, you will not be disappointed. Features Mid to High Rise: Waistband sits at or around the belly button Covered Waistband: Merino next to your skin Gusset: Reduces stress in the crotch area Ribbed Ankle Cuffs: Keep in place and allow for easy layering Flat Lock Seams: Prevents Chafing Layer Type: Base Layer Fit Type: Regular - Standard fit with a little bit of room to breathe, but not too baggy Runs True to Size - If you like a more athletic, tight fit, try sizing down Weight: Size Medium = 8 oz. (227 grams) Style #: 803 Fabric Fiber Content: 100% Merino Wool Knit: 235 g/m2 Midweight Interlock Knit Microns: 18.5 Micron Fibers UPF Rating: 50+ Total Easy Care: Machine Wash and Dry Wool Source: Australia Imported. Uses Ideal Seasons: Spring, Fall, Winter Activities: Everyday Wear, Hiking, Camping, Biking, Running, Fishing, Hunting, Snowsports Temperature Recommendations: 30AdegF to 0AdegF while active, 30AdegF to 60AdegF while inactive Care Turn Inside Out Machine Wash Cold: Gentle cycle with like colors Detergent: Mild or wool-specific Tumble Dry: Low heat Storage: Place in an airtight container when not in use for long periods of time Do NOT Use: Fabric softener or bleach!