Shearling Sheepskin Bomber Hat. This sheepskin hat is made with 2-sided sheepskin (shearling sheepskin or double face sheepskin). The exterior side has a durable napa leather finish and the interior side is soft warm sheepskin wool. Shearling sheepskin is one of natures warmest insulators, its natural breathable leather and wool is great to keep you warm but not sweaty. Featuring classic hat styling, this hat can be worn in multiple ways to keep you comfortable while looking perfect. Toasty warm ear flaps tie beneath the chin, on top of the crown, or at the back. Handmade with natural sheepskin, the best hat for outdoors activities in the winter.