size_chart_men_gp1

Length	Width	EU	UK	US
26.2 cm	9.3 cm	40	6.5	7.5
26.9 cm	9.5 cm	41	7.5	8.5
27.5 cm	9.7 cm	42	8.0	9.0
28.2 cm	9.9 cm	43	9.0	10.0
28.8 cm	10.1 cm	44	9.5	10.5
29.5 cm	10.3 cm	45	10.5	11.5
30.2 cm	10.5 cm	46	11.5	12.5
30.8 cm	10.7 cm	47	12.0	13.0

The measurements given refer to the inside length of the shoe and are approximate.