Product Information This work cap uses Montbell's original "Exceloft®" insulation, a blend of three types of polyester fibers, providing exceptional heat retention and durability. The insulation power is not compromised even after repeated storage and washing. It can be packed compactly and is versatile, suitable for travel and everyday use. The ear flaps can be folded inward. Compact packaging. #Montbell #Mountaineering #Mountain #Outdoor #Camping #Winter #Warm #Children #Kids #Junior #ElementarySchool #Child #Young #Nursery #Muji #GU #Uni #Unisex #Men's #Women's #Bonfire #EarFlaps #Unisex