Elegance is in the details, especially when it comes to these heels. Fastening:Slip on Material Composition:Leather/Textile/Other The curved topline hugs the foot beautifully, while the set-back heel provides a dash of architectural contrast.. Luxurious footbeds and non-slip outsoles promise to make these the go-to pumps for fall.. Foam backed lining, Retention Foam Footbed, Leather Footbed Cover. TPU Midsole Plate.