Run along the rock-strewn fire road or clamber up the faded game trail to the summit - the Release Mid nimbly handles terrain changes while protecting your ankles. The shoe's air mesh/synthetic upper is waterproof and breathable. Injection-molded support arms secure the heel in place, while the Dynamic Fit Lacing System provides a precise and secure fit. Triple-density, recycled EVA footframe provides pronation and stabilization control; 3DM midsole meets women's unique biomechanical needs. Rubber heel strike pad with asymmetrical alignment absorbs shock and reduces impact rate. Gender-specific trail running soles have excellent grip and traction with specific tread placement. Reflective panels in the toe and heel lend visibility.Materials: DWR treated waterproof breathable air mesh/synthetic leather upper, DWR treated air mesh, Men's specific Vibram Release trail running sole with TC5+ rubber compoundCountry of Origin: ChinaItem #: T80436, T80438Weight: 12 oz.