Temperature: -50°F / -45°C Features: -Waterproof synthetic leather and water-repellent ripstop nylon: -Seams sealed at the vamp with the H2O Seal process: -Dual hook-and-loop closure: -Inserts hi-vis reflective: -Removable triple-density insulated liner with stabilizing arch (sizes 13 to 6): -Insulating removable felt insole and trapping moisture: -Synthetic rubber sole adherent and stable: -Super light, waterproof and insulating EVA base: -Replacement inner boot: A4513 B76 About the brand Acton is at the heart of your life, where the action is. Your daily life inspires theirs designers; from the moment you put your boots on until you take them off in the evening. Their promise is to offer you products designed for your reality, which will improve your comfort every minute, every day.