Size 4 suitable height: 36''-40''<\/br><br />Size 5 suitable height: 40''-43''<\/br><br />Size 6 suitable height: 43''-47''<\/br><br />Size 7 suitable height: 47''-51''<\/br><br />Size 8 suitable height: 51''-55''<\/br><br />Size 10 suitable height: 56''-59''<\/br>