The Heat Holders Men's Gloves are available in three different sizes to accommodate nearly any adult's hands. They boast a Thermal Overall Grade (TOG) rating of 2.3, meaning they retain warmth several times better than cotton and other thermal materials. Heat Holders Men's Gloves:Heatweaver insulation linerKeeps hands warmer for longerFur-like lining is silky and luxuriously softLonger protective ribbed cuff, forming a sleeve that hugs the wrist warmlyMen's knitted gloves with 2.3 TOG ratingAvailable colors: black, charcoalAvailable sizes:S/M: 7.5" - 9.1"/19 - 23 cmM/L: 9.1" - 9.9"/23 - 25 cmL/XL: 9.9" - 10.6"/25 - 27 cm