Low Volume Single Firm
Firm support with a tapered toe and lower arch profile
Original Single Hard
The hardest semi-rigid Formthotics™ available
Original Single Medium
The original Formthotics™ model
Original Single Firm
Seamless, supportive intermediate density
Original Single Soft
Mild functional support with maximum cushioning and comfort
Original Single X-Soft
The softest, most accommodative Formthotics™ available