This listing is for a pair of Life Stride Velocity 2.0; Style is Sincere; Color is Dilma Black; Size is 8.5 Medium. New with Original Box. The materials used are synthetic/manmade and the fabric type is synthetic. Taken from the LifeStride website: Sweet and sophisticated with a hint of sport. This wedge is a must for your closet. Microsuede, faux leather, or fabric upper with an open toe, instep strap with adjustable hook-and-loop closure, crisscrossing strap detail, cork-wrapped wedge, and sporty white sole. Soft eco-conscious microfiber linings. • Soft System® comfort package provides all-day support, flex, and cushioning • Get next-level comfort with Velocity 2.0®, featuring luxe linings, superior cushioning, and a premium insole with shock absorption & pressure distribution • Traction sole provides you with extra stability • Just Right Height 1 and 3/4 inch wedge heel