Nike Accessories (Hats) - Unisex - Size Chart

Hats and Headwear

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.

How to Measure

Measure the circumference of your head using a tape measure. Wrap it around your head at the point where the hat will sit (about 3cm above your eyebrows).

Adjustable caps
Hat size Head size (inches) Head size (cm) S/M M/L L/XL
6 1/2 20 1/2 52 X
6 5/8 20 7/8 53 X
6 3/4 21 1/8 54 X
6 7/8 21 1/2 55 X X
7 21 7/8 56 X X
7 1/8 22 1/4 57 X X
7 1/4 22 5/8 58 X X
7 3/8 23 59 X X
7 1/2 23 2/3 60 X X
7 5/8 23 7/8 61 X
7 3/4 24 1/4 62 X
7 7/8 24 5/8 63 X
8 25+ 64 X
Beanies
Hat size Head size (in.) Head size (cm) ONE SIZE
6 1/2 20 1/2 52 X
6 5/8 20 7/8 53 X
6 3/4 21 1/8 54 X
6 7/8 21 1/2 55 X
7 21 7/8 56 X
7 1/8 22 1/4 57 X
7 1/4 22 5/8 58 X
7 3/8 23 59 X
7 1/2 23 1/2 60 X
7 5/8 23 7/8 61 X
7 3/4 24 1/4 62 X
7 7/8 24 5/8 63
8 25+ 64
Bucket Hats
Hat size Head size (in.) Head size (cm) S M L XS/S S/M M/L L/XL XL/XXL
6 1/2 20 1/2 52
6 5/8 20 7/8 53
6 3/4 21 1/8 54 X
6 7/8 21 1/2 55 X X
7 21 7/8 56
7 1/8 22 1/4 57 X X
7 1/4 22 5/8 58 X
7 3/8 23 59 X
7 1/2 23 1/2 60 X
7 5/8 23 7/8 61 X X
7 3/4 24 1/4 62
7 7/8 24 5/8 63 X
8 25+ 64
Swoosh Flex
Hat size Head size (in.) Head size (cm) S/M M/L L/XL
6 1/2 20 1/2 52
6 5/8 20 7/8 53 X
6 3/4 21 1/8 54 X
6 7/8 21 1/2 55 X
7 21 7/8 56 X X
7 1/8 22 1/4 57 X
7 1/4 22 5/8 58 X
7 3/8 23 59 X X
7 1/2 23 1/2 60 X
7 5/8 23 7/8 61 X
7 3/4 24 1/4 62 X
7 7/8 24 5/8 63
8 25+ 64