Purchased in the winter of 2023 and stored at home after applying waterproof spray. These are cold-weather snow boots with excellent waterproof and heat-retention properties, using 3M Thinsulate. - Brand: GRIP GLAPP - Color: Black - Material: 3M Thinsulate - Features: Adjustable drawcord Retail Price: 4000 yen Thank you for viewing. Please note that I may have missed some stains due to my amateur inspection.