EXCLUSIVE AT NET-A-PORTER. Aeyde's 'Sofie' ankle boots are crafted from supple suede in a sleek, close-fitting silhouette. The pointed toes elongate the shape, while 35mm kitten heels add just enough lift without breaking the clean line.Lower-Impact Materials. This product is made using at least 50% lower-impact materials or ingredients. Find out more about our NET SUSTAIN criteria here.