Size Guide

The Explorer

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The Narrow Fit Explorer is a closer fit in the Calf Width. If you are between calf sizes, we suggest the smaller calf fit. If you are between foot sizes, we suggest going up a size.

EU / UK / US Size Narrow Calf
(from - to)
Boot Height
(floor to back of knee inc. 3cm heel)
36 / 3 / 5 31 - 34 43
37 / 4 / 6 32 - 35 43.5
38 / 5 / 7 33 - 36 44.5
39 / 6 / 8 34 - 37 45.5
40 / 7 / 9 35 - 38 46
41 / 7.5 / 9.5 36 - 39 47
42 / 8 / 10 37 - 40 47.5
43 / 9 / 11 38 - 41 48
EU / UK / US Size Narrow Calf
(from - to)
Boot Height
(floor to back of knee inc. 1.2" heel)
36 / 3 / 5 12.2 - 13.4 16.9
37 / 4 / 6 12.6 - 13.8 17.1
38 / 5 / 7 13 - 14.2 17.5
39 / 6 / 8 13.4 - 14.6 17.7
40 / 7 / 9 13.8 - 15 18.1
41 / 7.5 / 9.5 14.2 - 15.4 18.5
42 / 8 / 10 14.6 - 15.8 18.7
43 / 9 / 11 15 - 16.2 18.9

If you are between calf sizes, we suggest the smaller calf fit. If you are between foot sizes, we suggest going up a size.

EU / UK / US Size Regular Calf
(from - to)
Boot Height
(floor to back of knee inc. 3cm heel)
36 / 3 / 5 34 - 37 43
37 / 4 / 6 35 - 38 43.5
38 / 5 / 7 36 - 39 44.5
39 / 6 / 8 37 - 40 45
40 / 7 / 9 38 - 41 46
41 / 7.5 / 9.5 39 - 42 47
42 / 8 / 10 40 - 43 47.5
43 / 9 / 11 41 - 44 48
EU / UK / US Size Regular Calf
(from - to)
Boot Height
(floor to back of knee inc. 1.2" heel)
36 / 3 / 5 13.4 - 14.6 16.9
37 / 4 / 6 13.8 - 15 17.1
38 / 5 / 7 14.2 - 15.2 17.5
39 / 6 / 8 14.6 - 15.8 17.7
40 / 7 / 9 15 - 16.2 18.1
41 / 7.5 / 9.5 15.4 - 16.6 18.5
42 / 8 / 10 15.8 - 17 18.7
43 / 9 / 11 16.1 - 17.3 18.9

The Sporting Fit Explorer comes with an additional amount of space in the Calf Width. If you are between calf sizes, we suggest the smaller calf fit. If you are between foot sizes, we suggest going up a size.

EU / UK / US Size Sporting Calf
(from - to)
Boot Height
(floor to back of knee inc. 3cm heel)
36 / 3 / 5 37 - 40 43
37 / 4 / 6 38 - 41 43.5
38 / 5 / 7 39 - 42 44.5
39 / 6 / 8 40 - 43 45
40 / 7 / 9 41 - 44 46
41 / 7.5 / 9.5 42 - 45 47
42 / 8 / 10 43 - 46 47.5
43 / 9 / 11 44 - 47 48
EU / UK / US Size Sporting Calf
(from - to)
Boot Height
(floor to back of knee inc. 1.2" heel)
36 / 3 / 5 14.6 - 15.8 16.9
37 / 4 / 6 15 - 16.2 17.1
38 / 5 / 7 15.4 - 16.6 17.5
39 / 6 / 8 15.8 - 17 17.7
40 / 7 / 9 16.1 - 17.3 18.1
41 / 7.5 / 9.5 16.5 - 17.7 18.5
42 / 8 / 10 16.9 - 18.1 18.7
43 / 9 / 11 17.3 - 18.5 18.9

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