Beardo Original Detachable Beard Hat VERY FUNCTIONAL IN COLD CLIMATES: The hat's unique hand knit patter make it most efficient against cold climates such as mountains/ COMFORTABLE MATERIAL: Made of 100% acrylic yarn for comfort; soft and never itchy and scratchy DON'T WORRY ABOUT SIZE: Beard attachment is adjustable to fit most beards up to 5.5 inches! IDEAL FOR WINTER SPORTS: Knit cap makes it ideal for skiing, hiking and all other winter and outdoor sports. DIMENSIONS: Hat measures 10 x 10 x 1 Inches