The Onyx cross trainer features QU!KFOAM technology for long-lasting, responsive cushioning. It has a lace up, mesh upper with 3D printed overlays for support. The flexible outsole is designed to grip in any direction. Features: - QU!KFOAM midsole uses an EVA and rubber blend for cushioning, responsiveness, and long shoe life - Mesh upper - Supportive 3D printed overlays - Multi-directional segmented outsole