The circumference is measured on the back of the hand (without the thumb) with a movable measuring tape.

Women:

Circumference (cm)	Glove size	International
15,5	4,5	XS
16	5	XS
16,5	5,5	S
17	6	S
18	6,5	M
19	7	M
20,5	7,5	L
22	8	L
23	8,5	XL
24	9	XL

Men:

Circumference (cm)	Glove size	International
19	7	S
20,5	7,5	S
22	8	M
23	8,5	M
24	9	L
26	9,5	L
27	10	XL
28	10,5	XL
29	11	XXL

Children:

Circumference (cm)	Glove size	International	Age
12	1	XS	2-3
13	2	XS	4-5
14	3	XS	6-7
14,5	3,5	S	8
15	4	S	9
15,5	4,5	M	10
16	5	M	11
16,5	5,5	L	12
17	6	L	13
18	6,5	XL	14
19	7	XL	15

without guarantee, sizes may vary