The Nike True Vapor Swoosh Flex Fitted Hat is made with perforated side and back panels for a lightweight fit and excellent breathability.
SIZING CHART - These tend to run large and offer a flex fit, we recommend sizing down if you are on the cusp.
|SIZE||NUMERIC SIZE (in)||HEAD SIZE (in)||HEAD SIZE (cm)|
|S / M||6 3/4–7 1/8||21 1/4–22 3/8||54–57|
|M / L||7–7 3/8||22–23 1/8||56–59|
|L / XL||7 1/4–7 5/8||22 3/4–23 7/8||58–61|