KUIU HEADWEAR

Size OS S S/M M L L/XL XL
Hat Size 7 - 7 ½ 6 ¾ - 6 ⅞ 6 ¾ - 7 7 - 7 ⅛ 7 ¼ - 7 ⅜ 7 ½ - 7 ¾ 7 ½ - 7 ⅝
Head Circumference
IN 22 - 23 ½ 21 ¼ - 21 ⅝ 21 ¼ - 22 22 - 22 ⅜ 22 ¾ - 23 ⅛ 23 ½ - 24 ¼ 23 ½ - 23 ⅞
CM 55.9 - 59.7 54 - 55 54 - 55.9 55.9 - 56.8 57.8 - 58.7 59.7 - 60.6 59.7 - 61.6
Size S/M L/XL
Hat Size 6 ¾ - 6 ⅞ 7 - 7 ⅙
Head Circumference
IN 21 ⅙" - 21 ½" 21 ⅞" - 22 ⅕
CM 54 - 55 cm 56 - 57 cm

Hint: When in doubt, order your typical size. For all other questions call customer service at 855-367-5848.

  • Head Circumference: Wrap measuring tape across the forehead, just above the ears, and around the back of the head at the widest point.

Doesn't Fit?

If it doesn't fit, return it within 60 days, as long as it's unworn, unwashed and unaltered.
See Returns Policy

Between Sizes?

If your measurements are in between those listed in the size chart, pick the next larger size.