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Nike (M) Maternity Collection

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Kids' Hats and Headwear

The measurements on the size chart are body measurements. Find your correct size in the chart below. Scroll horizontally to see more sizes.

Size Chart
Nike Hat Size6 1/26 5/86 3/46 7/877 1/8
Head Size (in)20 1/220 7/821 1/821 1/221 7/822 1/4
Dual SizeS/MM/LL/XL

Fit Tips

  • If you're on the borderline between two sizes, order the smaller size for a tighter fit or the larger size for a looser fit.
  • OS = One Size.

How To Measure

Measure the circumference of your head using a measuring tape. Wrap it around your head at the point where the hat will sit (about an inch/2.5cm above your eyebrows).