First Footwear Render

I recently stumbled across this footwear demo from Michael DiTullo: http://conceptkicks.com/quick-footwear-demo-by-michael-ditullo/ I’ve never rendered a sneaker before and have only sketched a handful to begin with, but I loved the simplicity of the tutorial so I decided to give it a shot. Here it is; I’d love to get some feedback and suggestions. Thanks.