The leather patch hats are made from 100% bio-washed chino twill. It's a very comfortable yet sturdy material that will last for ages. The 100% PU leather patch is a great base for this Submariner design. The hat's shape is unstructured, six-panel with a low profile and a pre-curved bill – this popular design suits almost everyone. .: Materials: 100% bio-washed chino twill cotton (hat), 100% PU leather (patch) .: Unstructured, six-panel, low-profile .: Pre-curved bill .: Sewn-in label .: Blank sourced from Bangladesh .: NB! Hand-wash only