You can independently adjust chest broadness, shoulder width, arm bulk, hand size, and neck length.
C:\Program Files (x86)\Steam\steamapps\common\Kenshi\data\character\bodies\ GOG: C:\GOG Games\Kenshi\data\character\bodies\ kenshi character presets full
Presets are bound to specific races and genders. Loading a Shek preset onto a Human character will result in extreme distortion or will fail completely. You can independently adjust chest broadness
Since Kenshi doesn't have a built-in "gallery," players share their creations on community hubs: kenshi character presets full
As your character progresses, their physical appearance changes dynamically to reflect their stats and history. For example: