Nike Women’s US Size Chart

US	(Inches)	(cm)
5	8 5/8	22
5.5	8 7/8	22.4
6	9	22.9
6.5	9 1/8	23.3
7	9 3/8	23.7
7.5	9 1/2	24.1
8	9 5/8	24.5
8.5	9 7/8	25
9	10	25.4
9.5	10 1/8	25.8
10	10 3/8	26.2
10.5	10 1/2	26.7
11	10 5/8	27.1
11.5	10 7/8	27.5
12	11	27.9