High Quality Archaize style aviator pilot caps Imitation leather Waterproof Winter keep warm skiing cap Hunting Mountain climbing Protective ear hat Leather material: PU, not real leather Filler: acrylic cotton Size:Head circumference 56 to 62cm, suitable for the vast majority of adults. Size S= Head circumference 56cm Size M= Head circumference 58cm Size L= Head circumference 60cm Size XL= Head circumference 62cm Size reference: Height 170cm for adult males choose size M Head circumference 58cm If your head is bigger, Please choose a bigger size. Use:Wear in winter,,It can also be used to Fishing,Travel Mountain Climbing Hunting ski sports,etc. Black leather grey hair Black leather brown hair