Heat Holders Women's Brussels Geometric Mittens are created with our high performance thermal yarn and HeatWeaver insulation lining to maximize the amount of warm air held close to your body. Enjoy the beautiful diamond patterns!Black Outer: 77% Acrylic, 22% Polyester, 1% ElastodieneLight Grey Outer: 63% Acrylic, 36% Polyester, 1% ElastodieneAll Colors Lining: 100% Polyester1 Pair PackOne SizeNew HeatWeaver plush liningAdvanced insulating yarnMachine washable at 40° Celsius (104° Fahrenheit)Single pair packImported