Crocs Women's Yukon Mary Jane 100% Leather Synthetic sole Croslite is so lightweight, you'll feel like you're not even wearing shoes. Footbed nubs stimulate circulation and gently massage your feet as you walk. Croslite outsole won't scuff floors and helps keep you steady. Croslite / suede upper, Croslite insole, midsole and outsole. Care: Spot clean upper with a damp cloth.