Versatile Carhartt® WorkFlex® Ear-Flap Cap is made of 97% cotton canvas/3% spandex, with 100% polyester insulation for warmth. Comfort is increased with fold-down ear flaps that give you excellent cold weather protection. In warmer environments, you can wear the cap comfortably with the ear flaps tucked inside. Colors: Black and Brown. Sizes: M/L, L/XL.