Length when laid flat: 8.7 inches (22 cm), Width when laid flat: 7.9 inches (20 cm), The material is super soft, and stretchy, so it can be easily worn by people with a head circumference of 22.0 - 24It has a moderate size, and is recommended for both men and women. Stretchy, so you can wear it all day without fatigue. Enough choice as a ski knit hat or running beanie hat!