Details With a roll cuff for added warmth over the ears, Smartwool's Thermal Merino Reversible Cuffed Beanie is perfect for mild- and cold-weather activities alike. Made from Smartwool's Merino 250 fabric, this hat insulates and moves moisture to help keep you comfortable from sunrise to sunset. Material 100% Merino Wool. Exclusive of Decoration. Fit One Size Fits Most Details 100% Merino wool fabric made with interlocking knit for enhanced comfort, breathability, thermoregulation, and odor resistance Double-layered for maximum warmth Cleanly finished seams for a bulk-free fit Reversible Weight N/A Smartwool Thermal Merino Reversible Cuffed Beanie