UGG Luna Logo Charm Sandals, specifically in an orange/melon shade Description Design: These are a combination of a flip-flop and a slide sandal. Materials: They feature a synthetic or faux-leather upper, a cushioning EVA insole with an arch cookie, and an EVA outsole. Details: The main strap is adorned with bold, metal UGG logo hardware. A screen-print UGG logo is also visible on the footbed.