Buoyant cushioning and a supportive fit mean fluid strides in this balanced running shoe fortified by a blown-rubber sole and an engineered air-mesh upper. This shoe is HCPCS Code A5500-approved and made to accommodate multi-density inserts Stability: helps maintain comfortable foot alignment with targeted cushioning and support 3D Fit Print mesh upper provides a soft, comfortable fit as your stride expands and contracts DNA LOFT v3 nitrogen-infused cushioning pairs responsive performance with soft, lightweight comfort GuideRails® Holistic Support System controls excess movement in your stride to help protect your knees Segmented Crash Pad redirects every foot landing into a smooth heel-to-toe transition Removable insole Textile upper and lining/rubber sole Imported