Hestra Extreme Cold Weather Winter Mittens Moon Primaloft Insulated Glove SHEEPSKIN: Wind and Water Resistant BREATHABLE: Ripstop polyamide fabric PRIMALOFT GOLD INSULATION: Soft down like polyester that is warm and breathable LINING: Brushed polyester durable lining SIZE: Use Hestra Size Guide to find your perfect fit Super plush loft mitt Windproof, waterproof breathable ripstop/polyamide fabric Primaloft insulation Brushed polyester lining