With every step comes style and comfort when you're strutting in the Blowfish Malibu Maddi sandals. Man-made upper, lining, insole, and outsole. Ankle strap buckle closure. Open round-toe silhouette. With every step comes style and comfort when you're strutting in the Blowfish Malibu Maddi sandals. Man-made upper, lining, insole, and outsole. Ankle strap buckle closure. Open round-toe silhouette.