Barefoot Science® 4 Step System Retail Biopods Catalyst is the core

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

For reduced muscle fatigue

Comfortable

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

Barefoot Science® 4 Step System Retail Biopods Catalyst is the coreFor 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