harness size guide
required measurements:
A. girth, the biggest part of your dog's body, right behind the front legs
B. chest, from below the neck to the back (same point on the back as when measuring the girth)
 
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size adjustable size range ( A+B ) explorer width
h1
62 - 76 cm / 24⅜  - 29⅞"
2 cm / ¾"
h2
73 - 87 cm / 28¾ - 34¼"
2 cm / ¾"
h3
85 - 99 cm / 33½ - 39"
2 cm / ¾"
h4 100 - 120 cm / 39⅜ - 47¼"
2 cm / ¾"
h5 116 - 136 cm / 45⅔  - 53½"
2 cm / ¾"
size range is the comfortable measurement, not too tight