Football Dual are the same narrower shape Formthotics™ as Football Single but have an additional softer top layer for comfort and protection.
Formthotics™ Sport Football Dual has the same shape as Football Single, designed to fit into the narrower shaped sports boots.
The Formax™ Dual Density foam has an additional softer top layer to the Football Single for comfort and protection in shoes and boots so that you can extend performance for longer.
Football Dual is suitable when there is extra space inside the boot.