For the feel of a running shoe with the rugged and reliable construction of a military boot,390 Hot Weather boots exceed expectations. These boots revolutionized military boots thanks to the sole system, which provides phenomenal cushion and distributes impact from the heel to the toe with each step. The lightweight design lets you move quickly without draining your endurance. The removable polyurethane insole fights moisture, bacteria and odor buildup inside the boot and adds cushioning. The durable rubber outsole provides powerful traction in many terrains and conditions, while polyurethane injected between the midsole and outsole enhances shock absorption and flexibility. Designed to perform in combat and training, 390 Hot Weather boots deliver long-lasting comfort and protection.