éMen's running shoe with transitional wave design for smooth propulsion and a cushioned ride with an outsole rubber strategically placed for superior traction 3D fuse frame technology used throughout upper for seamless lightweight support Synthetic support pieces hot melted below fuse frame add midfoot and eye stay dimension and support Full-Foot breathable mesh so your-feet can stay cool and dry with seasonal rear collar material that speaks to heel comfort Geometric outsole provides superior flexibilityé