Women's Vionic Cobalt Slip-on Shoes This modern loafer refreshes a classic shape with a translucent lug sole and underfoot support. The smooth upper gives a polished look that works from office hours to evenings out, while the slip-on design keeps things easy. Inside, a biomechanically designed footbed delivers contoured arch support and cushioning to keep your stride comfortable. The sturdy sole adds subtle height and grip, making this loafer an everyday favorite.