Isabel Marant EXCLUSIVE AT NET-A-PORTER. Isabel Marant's 'Aldey' sandals are made from gunmetal leather that's soft and supple. They're grounded by the designer's signature cone heel and have slender straps which can be buckled at the ankle or slightly higher up the calf, depending on your outfit. - Heel measures approximately 85mm/ 3.5 inches - Gunmetal leather - Buckle-fastening ankle strap - Made in Italy