Brand Size	US Size	UK Size	Europe	Japan	Heel to toe (in)
4 Women/ 2 Men	2	UK 2 Women/1 Men	33-34	20	7.6
5 Women/ 3 Men	3	UK 3 Women/2 Men	34-35	21	8
6 Women/ 4 Men	4	UK 4 Women/3 Men	36-37	22	8.3
7 Women/ 5 Men	5	UK 5 Women/4 Men	37-38	23	8.6
8 Women/ 6 Men	6	UK 6 Women/5 Men	38-39	24	9
9 Women/ 7 Men	7	UK 7 Women/6 Men	39-40	25	9.3
10 Women/ 8 Men	8	UK 8 Women/7 Men	41-42	26	9.6
11 Women/ 9 Men	9	UK 9 Women/8 Men	42-43	27	10
12 Women/ 10 Men	10	UK 10 Women/9 Men	43-44	28	10.3
13 Women/ 11 Men	11	UK 11 Women/10 Men	45-46	29	10.6
14 Women/ 12 Men	12	UK 12 Women/11 Men	46-47	30	11
15 Women/ 13 Men	13	UK 13 Women/12 Men	48-49	31	11.3
16 Women/ 14 Men	14	UK 14 Women/13 Men	49-50	32	11.6
17 Women/ 15 Men	15	UK 15 Women/14 Men	50-51	33	12
18 Women/ 16 Men	16	UK 16 Women/15 Men	51-52	34	12.3
19 Women/ 17 Men	17	UK 17 Women/16 Men	52-53	35	12.6