From 27 EDIT Naturalizer // Most-loved mules have entered the chat. Cool and casual like the classic Carla, you'll want to live in these. Sleek mules with a slip on fit. Premium leather, suede or brahma hair upper with a square toe. Faux leather lining and insole. Signature Contour+ Comfort technology for a premium fit and true, all-day comfort experience. Smooth lining and insole for natural comfort and breathability. Extra cushioning for added layer of unrivaled comfort. Slip-on style. Proprietary rubber outsole design provides enhanced flexibility, shock absorption and slip resistance.