These measurements are made by laying the gaiter flat on a table.
All width measurements don't include the overlap of the hook and loop section. e.g. top width is the circumference where the gaiter will sit on your calf in millimetres.
|Small||Small Wide||Medium||Medium Wide||Large||Large Wide||X Large||X Large Wide|
|Width at top||380||400||385||405||420||440||430||450|
|Width at ankle||350||350||360||360||390||390||390||390|
|Width at bottom||410||410||430||430||460||460||480||480|
|Length at back||380||380||390||390||400||400||410||410|