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Snapback vs Fitted Hat Sizes

One-size snapbacks vs fixed fitted fractions (7 1/4)—plus how Flexfit ranges differ.

Quick answer

A snapback adjusts with a plastic strap and usually fits about 22–24 inches (56–61 cm) heads.

A fitted cap has no strap—you buy a fixed US fraction such as 7 1/4 or 7 3/8 from a fitted hat size chart.

Not sure of your circumference? Measure hat size in 3 steps.

Fitted hat size chart

Fitted caps use fixed sizes matched to head circumference. Unlike snapbacks, there is no strap—measure first, then pick the closest fraction.

Head (cm)Head (in)AlphaUS Fitted
5622M7
5722 3/8M7 1/8
5822 3/4L7 1/4
5923 1/8L7 3/8
6023 1/2XL7 1/2
6123 7/8XL7 5/8

Full rows (including size 8): fitted baseball chart. Prefer a calculator? Hat size converter.

Snapback vs fitted vs Flexfit

FeatureSnapbackFittedFlexfit
AdjustmentPlastic snap strapNone (fixed size)Elastic band
SizingOne size fits mostPrecise (e.g. 7 1/4)Ranges (S/M, L/XL)
Back profileOpen / archClosedClosed
Best forCasual wear, sharingTailored lookActive comfort

Typical snapback size range

Most standard adult snapbacks comfortably fit:

22 inches to 24 inches

or

56 cm to 61 cm

Roughly fitted 7 to 7 3/4. Outside that range, choose a true fitted size.

How to adjust a snapback

1. Start in the middle

Most straps have about 7 pegs—start near the middle (3rd or 4th hole).

2. Put it on

Sit above the eyebrows and ears—snug enough to stay on, not tight enough to leave a mark.

3. Fine-tune

Move out one peg if tight, in one peg if loose.

FAQ

Need a precise fitted size?

Outside the snapback range—or prefer a tailored look—use the full fitted chart.

Open fitted hat size chart

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