Polar fleece material. GI Government Issued type. One size fits most. Worn with ACU - Army Combat Uniform. ECWCS - Extended/Extreme Cold Weather Clothing System. Coyote Tan - GI ACU polar fleece watch cap. Dimensions: 8" x 11.5" (L x W). Lightweight and breathable polar fleece material for enhanced warmth and protection Comfortable soft fleece won't itch like typical wool caps Polar fleece beanies are used by the U.S. Military Great for cold weather activities such as skiing, hiking and hunting