Size guide

Sleepers can be experienced as somewhat small in size. If in doubt, you can go one size up. The best way to find the right size it to measure your foot as the image shows, and find your size in the table. 
 
Design Size Measure in centimeters (cm)
length width by toe ball
Slim and slim wide strap 36 24,1 9,2
37 24,7 9,4
38 25,4 9,6
39 26,1 9,7
40 26,8 9,8
41 27,4 10
       
Tapered 36 24,1 9,5
37 24,7 9,6
38 25,4 9,8
39 26,1 9,9
40 26,8 10
41 27,4 10,2
       
Mens 40 26 10,1
41 26,7 10,3
42 27,4 10,5
43 28 10,7
44 28,7 10,8
45 29,3 11