These men's cold-weather, lightweight boots are from Mitsuuma, a long-established manufacturer famous for its rubber boots. The lining uses brushed material, and the insole uses boa material for a warm, cold-weather specification. The upper part is water-repellent, making it difficult for rainwater to penetrate, and the part close to the ground is waterproof, making it recommended for use in rainy or snowy weather. The sole uses ceramic-infused rubber, providing high slip resistance even during the winter season. Size is M. Measured size M (25-26cm) Shaft height: Approximately 29.5cm Heel height: Approximately 3.5cm This is a Workman exclusive model and a popular product! It sells out every year, and some sizes are already sold out. The size is M (approximately 25-26cm) and the color is ash gray. You can extend them in snowy weather and fold them down for everyday wear for a stylish look! Free shipping! First come, first served!