Amazon.com: Belleville FC320 Womens Army Boots - Lightweight 。 These boots revolutionized military boots thanks to the Vanguard 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 mids