Dynamic Heel Cup—Superior Shock Absorption Honeycomb Stabilizer—Lasting Durability, Contours To The Foot Self Molding “Active Arch”—Proven To Enhance Healthy Function Full Length Groove—Neutrally Aligns & Positions Foot Forefoot Arch Support—Spreads Body Weight Across Foot DownUnders Footbeds – Like Bucket Seats for your Feet Only DownUnder orthotic footbeds integrate these features into a single, dynamic system.