Sorel Women's Nakiska Slide Slippers. Stay warm when the temperature drops with these ultra-cozy slippers featuring a suede upper and natural rubber sole for durability. Features: UPPER: Suede. LINING: Wool/acrylic blend. FOOTBED: Removable molded EVA comfort footbed. OUTSOLE: Natural rubber. Weight: 6.5 oz / 170 g. Measurements based on size 7.