guide · PickAJersey Research

New Era 59FIFTY Size Guide: 7 1/4, 7 3/8, and What Fits

Fitted caps are sized in inches, not S/M/L. Here is how to measure your head and convert it to a 59FIFTY size.

By PickAJersey ResearchUpdated Nov 3, 2026Editorial review

Editorial illustration for New Era 59FIFTY Size Guide: 7 1/4, 7 3/8, and What Fits — Editorial illustration · no team logos · not the exact product

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A 59FIFTY is a fitted cap. The size is your head circumference in inches, expressed as a fraction. Guessing costs you a return.

Measure your head

Use a soft tape around the widest part of your head, just above the ears and across the forehead. Keep the tape level. Write down the measurement in inches.

Convert to a size

Common conversions: 21 5/8 in ≈ 6 7/8, 22 in ≈ 7, 22 3/8 in ≈ 7 1/8, 22 3/4 in ≈ 7 1/4, 23 1/8 in ≈ 7 3/8, 23 1/2 in ≈ 7 1/2, 23 7/8 in ≈ 7 5/8, 24 1/4 in ≈ 7 3/4, 24 5/8 in ≈ 7 7/8, 25 in ≈ 8.

If you are between sizes

Go up. A fitted cap can be adjusted slightly with the sweatband, but a cap that is too small will never be comfortable. If you have thick hair, measure with it.

Snapback vs fitted

Snapbacks are one-size with an adjustable strap. They are easier to gift but fit less precisely. Fitted caps look cleaner and are the better choice if you know your size.

Next step

Turn the guide into a shortlist.

Pick a team, compare the versions, then check the size chart before you open a retailer tab.

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