He lacks a well rounded breast, and has a shallow keel.
He does have good width for his type. The shanks are appropriately sized for his size.
He would be a bird that is heavier than he appears. Many are just the opposite. These days we depend too much on feather to define the type. Feather should only refine transitions and accent type. Not make the type.
The under fluff obscures the thighs, and has to be felt for. That is typical, but he appears to have good thighs for the type.