Hiking, mountaineering, and other outdoor activities Shell Fabric: 54% Polyester? 20% Cotton? 20% Acrylic? 6% Merino Wool Lining: Polyester fleece lining Merino wool blend outer layer provides natural warmth and comfort. Soft brushed fleece lining traps heat effectively for enhanced warmth in cold conditions. Reflective logo improves visibility and safety during low-light or night activities. Stretchy, close-fitting beanie design offers a secure fit for various outdoor and everyday scenarios. Technology / Fiber: Merino wool blend? Polyester fibers Fit: One size fits most? Suitable head circumference: 58 cm