éWarm knits, icelandic textures, and two color marles make up Muk Luks Sweater Weather Collection. Muk Luks Malena Boot has a 100% acrylic upper and a warm 100% polyester furpa lining. Decorative wooden MUK LUKS buttons go up the side of the fashionable snowflake patterned boot. Spot clean, no bleach, and lay flat to dry. Made in China. Material: Polyester, rubber, acrylic.é