【Thermal and waterproof boots that prioritize heat retention.】 Body temperature release of boots Compared to rubber boots, where warmth escaped from the soles of the feet, thermal boots have less heat release and are warm inside (comparison of heat release on the back of the boot sole by thermography) 【Wide Type】 Wide type with a relaxed calf design is also available ● The insulating material chloroprene covers the entire foot, and the air-insulated sole blocks cold air from the soles of the feet, exhibiting excellent heat retention. ● High cushioning eliminates the feeling of being pushed up and reduces fatigue. ● Cup insole that firmly holds the foot ● Wide calf type that accommodates layering Although unused, it has been stored at home, so please refrain from purchasing if you are sensitive to this.