ONDA 6 CALF LTH Women's flat sandal in black leather with regular fit. A modern style model featuring a crisscross upper with a wavy design that adds a touch of personality. Perfect for a refined and versatile look, ideal for any summer occasion. This model is built with Stonefly Second Skin® technology that makes the shoes soft and light, just like a second skin. EVA sole, heel height (cm): 4.