Elastic closure Material: Made of 20% Cotton,70%Polyester. Medium Size 56-58cm Best for Head Size :6-7(56-57cm) . Lightweight & Cozy enough to keep your head warm in winter A great take on the classic and timeless cut, perfect vintage inspired hat. 100% Money Back Gurantee: : Any distance can be return if there has any problem with the product. We are committed to 100% customer service and try our best to provide you best shopping experience here.