These laces are made by and desgined for Antik Skates. They are sized to fit perfectly Antik boots. They also make a size for standard low cut boots. Check these out. They are waxed to prevent the laces from slipping during use.
72" - Fits standard low cut boots,
81" - Fits all MG-2 Boots,
100" - Fits all AR-1 from sizes 3 to 8.5,
108" - Fits AR-1 sizes 9 to 13