3M Thinsulate Lined Fleece Men's Knit Gloves 3M™ Thinsulate™ Insulation (Standard) is a thin yet warm insulation material. It prevents body heat from escaping while allowing moisture to pass through, providing comfort. We are not specialists, so please understand that there may be errors in the descriptions and displays. We recommend that those who are concerned purchase from a specialist store. Please make your purchase at your own discretion. We sincerely apologize, but please refrain from price negotiations (__)