Specification:1. Rabbit velvet keeps warm, plus velvet thick, two colors are available2. Comfortable and neat, soft and smooth3. Double warm, thick felt bottom on the back, warm and breathable, about 4mm thick, double warm in winter4. This insole uses imitation rabbit velvet material, the touch is roughly the same as real rabbit fur, comfortable without peculiar smell, soft and comfortable without puncturing the feet, high density and softness5. Suitable for sports shoes, leather shoes, boots, casual shoes, warm shoes, cloth shoes, work shoes, etc.Describe:Material: imitation rabbit velvetSuitable for footwear: sports shoes, leather shoes, boots, casual shoes, warm shoes, cloth shoes, work shoesStyle: ordinaryInsole function: warm and coldInsole category: Overall insoleInsole Sizes: 36, 37, 38, 39, 40, 41, 42, 43, 44, 45Suitable season: winter, autumnApplicable gender: unisex / male and femaleApplicable age: generalColor: khaki, grayPackage Included:1 pair of insolesNotes:Applicable shoe type: sports shoes, leather shoes, boots, casual shoes, warm shoes, cloth shoes, work shoesSize recommendation: take women's shoes by the shoe size, men's shoes by one size up