Micar ottoman pouf https://www.toparredi.com/en/design-mushroom-pouf-with-amortized-micar-swivel-seat.html 

The pouf is grouped, some elements are attached, turbosmooth is thrown over.
In the seat material there is an option to select the material according to the preview (leather or fabric)

For Vray older than version 3.1 in the materials, you need to change the BRDF type to any preferred