Upper: Textile. Lining: Soft, Textile. Outsole: Rubber. Features a hardwearing rubber heel and a hidden wedge heel. Designed with a butterfly and logo pattern, and a round toe style. Made using solar energy for sustainability. Easy slip-in fastening. Upper: Textile. Lining: Soft, Textile. Outsole: Rubber. Hardwearing, Rubber Heel. Hidden Wedge Heel. Design: Butterfly, Logo. Toe Style: Round. Sustainability: Made Using Solar Energy. Fastening: Slip-In.