RUSH TRK PRO GTX is the new reference point for short or daily excursions. A waterproof walking shoe made with a focus on comfort, with technologies that can help reduce foot fatigue. It represents the right mix of comfort, stability and low weight, enhanced by the use of Nubuck leather. Scarpa Mens Rush TRK Pro GTX Features: IKS Technology (Interactive Kinetic System) The quality of Nubuck Upper: Nubuck Leather Upper with GORE-TEX for protection, support and abrasion resistance. GORE-TEX Extended Comfort lining guarantees waterproof-breathable protection 3D Auto-fit Ankle Collar: Stretch fabric and moulded foam, incorporated into the ankle collar provide a soft, comfortable fit with great support. DST Frame: Dynamic Stabilizer Torsion frame gives rear foot stability and torsion control Midsole: Dual-density compression moulded EVA for lightweight cushioning and responsiveness. Outsole: PRESA outsole works with the midsole to provide mechanical impact absorption, and our SuperGum rubber compound provides confidence-inspiring traction.