ZG Trek GTXZG TRK GTX is a boot that adapts immediately to the foot, guaranteeing a snug fit, thanks to the four zones with different degrees of padding. The model features: an upper design that reinforces and supports the lateral ankle area, a supportive anatomical heel for a more precise fit and containment when walking, and a toe box with anti abrasion reinforcement. The sole is composed of a Bi Density polyurethane midsole, to ensure support and stability