Behind the smart exterior lies advanced XC4 comfort technology. The waterproof leather or suede upper and seam-sealed construction locks out moisture too, so they look good no matter the weather. Dual elastic gores and heel loop for on/off ease. Waterproof full-grain leather upper, soft sheepskin lining and removable insole enhance the comfort and customize the fit. Removable multi-layer footbed has a molded midsole for support, and memory-foam cushioning topped with a sheepskin cover. A high-density rubber sole provides superior shock absorption and durability. Advanced construction features including a molded midsole reduce overall weight, while a molded channel system on the sole provides optimum flexibility. Moisture-wicking performance lining for enhanced breathability.