How are the Merry People boots measured?


EU 36 37 38 39 40 41 42 43
Inner sole length 23 23.6 24.5 25.4 26.2 27 27.9 28.7
Boot length 26 26.5 27 28 29 29.5 30 31
Inner sole width 7.5 7.7 8.1 8.4 8.6 8.7 9 9.4
Boot width 9.5 9.8 10 10 10.3 10.5 10.8 10.8
Boot opening 28.3 29.2 30 31 31.8 32.6 33.5 34.4
Shaft height 17.5 17.5 17.5 17.5 18.5 18.5 18.5 18.5
Heel height 4.2 4.2 4.2 4.2 4.2 4.2 4.2 4.2