These gloves use heat-generating Breath Thermo material. The palms have a resin print. ⚫︎Manufacturer: mizuno pro ⚫︎Product Number: 12JY0E01 ⚫︎Color: (96) Black x Red ⚫︎Material: Acrylic, Polyester, Others ⚫︎Size: Adult Free ⚫︎Country of Origin: Japan Please understand that these gloves have been in someone's possession once, even though they are unused. Feel free to ask if you would like additional photos. Returns and refunds are not accepted after the product arrives, so please ask any questions you may have. We appreciate your understanding and cooperation in making a purchase after you are satisfied. Breath Thermo Mizuno Pro MIZUNO PRO Knit Gloves Unisex Gloves 12JY0E01 Baseball Adult Cold Weather Gear Mizupro Mipro MIZUNO Mizuno Cold Protection Gloves Knit General Adult Autumn and Winter Cold Weather Gear Commuting Club Activities Training Practice