Size 4 suitable height: 39.37'' -  43.3''<\/br><br />Size 5suitable height: 43.3'' - 47.2''<\/br><br />Size 6 suitable height: 47.2'' - 51.2''<\/br><br />Size 8 suitable height: 51.2''- 55.11''<\/br><br />Size 10 suitable height:  55.11'' - 59.05''<\/br>