These shoes feature a welded synthetic upper with breathable mesh to keep your feet cool, while the Ortholite sock liner and EnergyCell+ midsole add extra comfort. Traction is provided by the purpose-built ContraGrip rubber outsole.Contagrip MD - Contagrip MD is focused on long-term wearEnergyCell - a high-performance EVA foam that provides shock attenuationQuicklace - minimalistic and strong lace for one-pull tightening3D Mesh - 3D open Mesh provides maximum breathabilityOrthoLite diecut sockliner - inner elastic sockInlay sole: TextileLining: Textile MCLOutsole: RubberUpper: Textile / SyntheticBiomechanical fitHeel strikeDrop: 8 in mmLug depth: 3mmHeel stack height: 19mmForefoot stack height: 11mmWeight: 248 gAnatomical fitRegular Drop (>=8)Lacing system: QuicklaceAll types of terrain