Barefoot Science® 4 Step System Retail Transforms your shoes into a

Transforms your shoes into a therapeutic exercise program for your feet

For reduced muscle fatigue

Wide Sizing: Fits Women's D to E and Men's EE to 4E Widths

Biopods Catalyst is the core model in the new Biopods insole family

Helps alleviate foot

Barefoot Science® 4 Step System Retail Transforms your shoes into aFor reduced muscle fatigue, improved static and dynamic balance, and relief from sore feet. The 4 Step System comes with 4 interchangeable inserts that allow you to customize how Barefoot Science works best for you for reduced muscle fatigue, improved static and dynamic balance, and relief from sore feet. For all activities: walking, running, and standing. Comfortable, safe, and easy to use. Helps alleviate foot, leg, hip, and back problems. Available