CAP SIZE	CM	INCHES	FITTED
6 7/8	54.9	21 5/8	6 7/8
7	55.8	22	7
7 1/8	56.8	22 3/8	7 1/8
7 1/4	57.7	22 3/4	7 1/4
7 3/8	58.7	23 1/8	7 3/8
7 1/2	59.6	23 1/2	7 1/2
7 5/8	60.6	23 7/8	7 5/8
7 3/4	61.5	24 1/4	7 3/4
7 7/8	62.5	24 5/8	7 7/8
8	63.5	25	8
8 1/8	64.5	25 3/8	8 1/8
8 1/4	65.4	25 3/4	8 1/4