OPTIMUM SPACE AT THE TOES
There should be a space of approx. 10 mm between the toes and the footbed edge.
OPTIMUM SPACE AT THE HEEL
There should be a space of approx. 5 mm between the heel and the footbed edge.
OPTIMUM FIT OF LOWER STRAP
Adjust the lower strap so that there is space of approx. 5 mm between the strap and the arch of the foot.
OPTIMUM FIT OF UPPER STRAP
There should be space of approx. 10 mm between the upper strap and the arch of the foot.