A new take on our Classic boot collection, these fashionable knit uppers are like wearing your favorite sweater on your feet. Uppers: Wool and Acrylic blend. Classic Cardy features functional wood buttons. The Argyle knit is 100% cotton. Uppers: Wool and Acrylic blend. Classic Cardy features functional wood buttons. The Argyle knit is 100% cotton. Insole: Genuine sheepskin sock that naturally wicks away moisture to help keep feet dry. Outsole: EVA that is very light weight and flexible.