Muk Luks Mens Marl Sock Stripe 2 Pc Set (Cuff Cap/flip Mitts) Shell: 100% Acrylic; Lining: 100% Polyester; Thumb: 93% Polyester/7% Metal; Hat: Shell: 100% Acrylic; Lining: 100% Polyester Imported Machine Wash Wide stripe on the ends of the cuff on the flip gloves with texting thumb tip Single knit on the cuff cap