Genuine Shearling Hats. Shearling Sheepskin wool is nature's most resilient and comforting resource. Sheepskin's soft hollow fibers "breathe" and help regulate body temperature. Air flows freely between your body and the sheepskin, providing the utmost in comfort. Our genuine Shearling Hats absorb up to 30% of their own weight in moisture without feeling wet, keeping your head dry and comfortable regardless of the weather.