US	6	7	7.5	8	8.5	9	10	11
UK	4	5	5.5	6	6.5	7	8	9
EURO	36	37.5	38	38.5	39	39.5	40.5	41.5

For half sizes order the next size up.

For example, if you normally wear size 7.5, order a size 8.