Hi-Tec Eurotrek II Walking Shoe Textile Coated Leather Upper - A fully waterproof, Tec-Proof membrane prevents water from infiltrating the shoe's upper. Bootie Construction - Works in concert with the shoe's Tec-Proof materials to deliver a robust, protective unit that is impervious to water. Synthetic Collar - An extensively padded, synthetic collar cushions the foot and delivers a comfortable ride. Rustproof Brass Eyelets - Deliver a secure lacing system with exceptional longevity. Removable Sockliner - Adheres to the contours of the wearer's foot for an adaptive, secure and comfortable fit.