Combining the superior wicking action of Thermax with the heat retention properties of space-age Lurex, these liners are soft and warm. Shell: 100% NylonPalm Patch: 100% PVCLining & Insulation: 100% Polyester Space-age fibers conduct and reflect heat Heat pocket holds heater packs securely out of the way to keep hands warmest; heater packs sold separately​​