The Ergo dyne N-fern 6812 ribbed knit beanie is a cool weather essential featuring stretchable ribbed knit fabric that fits snug to keep heat close when the temperature drops. It's the perfect knit hat to comfortably layer underneath a helmet or a hood for cool-to-cold conditions. The lightweight thermal cap comes in our favorite shades of hi-vis lime, hi-vis orange and classic black. Be ready for any outdoor excursion with this classic knit cap sized to fit most noggins small and large. It measures 9.25 inches high by 8.5 inches wide and is machine washable. Wear this stylish beanie as a year-round accessory with comfort you can count on and a classic look for all seasons. Whether you're hitting the mountain, shoveling your driveway or working in cold climates.