Bright Lime Green Old Navy Flip-Flops With A Textured Footbed. Size: 5 A pair of vibrant lime green Old Navy Classic Flip-Flops. They feature a classic textured thong strap, a firm foam footbed with a printed heel logo, and a lightweight synthetic outsole. Key Product Details. Size: 5 Brand: Old Navy Design: Thong-style casual sandal Materials: Flexible synthetic materials (typically EVA/PVC blends) Features: Textured footbed pattern for added grip and comfort NWT