Sizes are calculated using the standard mathematical formula. Individual brand fit may vary based on hat crown shape.
Overview
Hat sizing uses head circumference measured above eyebrows. US sizes use inches; UK uses inches with different scale. Proper fit prevents headaches and ensures hat stays on.
💡
Pro Tips
Measure 1/8 inch above eyebrows (widest part).
Tape should be snug but not tight.
Measure 2-3 times for accuracy.
Hair style affects fit—measure with typical hairstyle.
!
Fun Facts
"Average men's hat size: 7-7 3/8 (US)."
"Average women's hat size: 7 1/8-7 1/4 (US)."
"Head size can change with age/weight."
"Fitted hats use exact sizes; adjustable use S/M/L/XL."
