Herman miller keyn chair (Keyn Chair Group)

Dimension: 807 H, 540 W, 459 “D
Seat: 410 “H,
Units: MM
Poly: 133,000
Vert: 144,000
Texture paths are stripped
Models unwrapped manually
Lighting is not included
3DsMax 2014 / OBJ
https://www.hermanmiller.com/products/seating/side-chairs/keyn-chair-group/ 
Preview rendered in Vray 5
When using a model in max format, if necessary, enable the Meshsmooth modifier.
Who works in V-Ray version lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR (GGX), your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward – which is preferable for you