BOC Born Concepts by Born Women's Alena Slip-On Shoes Suede and leather upper breathe naturally to promote a healthy foot environment. Fully cushioned latex foam insole softens steps for all-day comfort. Sewn-in arch pillow provides enhanced cushioning and support. Suede / leather upper, cotton / polyester upper lining and sockliner, latex foam insole... ABS plastic shank, thermoplastic rubber outsole.