US	Length (in)	Length (cm)	Medium width (in)	Wide width (in)	Approx. Age
10.5	6 3/4	17.1	6 5/8	6 5/8
11 Kids	6 7/8	17.5	6 5/8	6 3/4	4–5 years
11.5	7 1/8	18	6 3/4	6 7/8
12 Kids	7 1/4	18.4	6 7/8	7	5–6 years
12.5	7 3/4	18.8	7 1/8	7
13 Kids	7 5/8	19.2	7 1/4	7 3/8	6–7 years
13.5	7 3/4	19.7	7 3/8	7 1/2
1 Youth	7 7/8	20.1	7 1/2	7 5/8	7–8 years
1.5	8 3/8	20.5	7 5/8	7 3/4
2 Youth	8 1/4	20.9	7 3/4	7 7/8	8–9 years
2.5	8 3/8	21.3	7 7/8	8
3 Youth	8 5/8	21.8	8	8 1/8	9–10 years
3.5	8 3/4	22.2	8 1/8	8 1/4
4 Youth	8 7/8	22.6	8 1/4	8 3/8	10–11 years
4.5	9 1/8	23.1	8 3/4	8 1/2
5 Youth	9 1/4	23.5	8 1/2	8 5/8	11–12 years
5.5	9 3/8	23.9	8 5/8	8 3/4
6 Youth	9 5/8	24.3	8 7/8	8 7/8	12–13 years
6.5	9 3/4	24.8	8 7/8	9
7	9 7/8	25.2	9	9 1/8

Size	XS	S	M	L	XL
Ring Size	5	6	7	8	9
Diameter (mm)	15 mm	16 mm	17 mm	18 mm	19 mm

Size	S	M	L
Ring Size (Reg)	4	5	6
Diameter (mm)	-	-	-

Size	S	M	L
Ring Size (Reg)	6,6,7	7,8,8	8,9,9
Ring Size (Midi)	4,5,4	4,5,4	5,6,5

Size	XS	S	M	L	XL
Ring Size	9	10	11	12	13
Diameter (mm)	19 mm	20 mm	21 mm	22 mm	23 mm

Size	S / M	M / L
Inches	31” - 34”	34” - 37”
CMs	77.5 cm - 85 cm	85 cm - 92.5 cm

Size	S	M	L	XL	XXL
Inches	28”	30”	32”	34”	36”
CMs	70 cm	75 cm	80 cm	85 cm	90 cm

Size	S	M	L	XL	XXL
Inches	31”	33”	35”	37”	39”
CMs	77.5 cm	82.5 cm	87.5 cm	92.5 cm	97.5 cm

Size	XS	S	M	L	XL	XXL
Inches	32”	34”	36”	38”	40”	42”
CMs	80 cm	85 cm	90 cm	95 cm	100 cm	105 cm

Size	S / M	M / L
Head Circumference ( Inches )	22”	22.8”
Head Circumference ( CMs )	56 cm	58 cm

Size	S / M	M / L
Head Circumference ( Inches )	22.8”	23.6”
Head Circumference ( CMs )	58 cm	60 cm

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