Looking closer, I think the sideview is not as convincing. Maybe roughly sketching the skeleton underneath will help you find a more fitting pose/shape:
Parts of gloves and shoes lack definition (e.g. the way they fold), but maybe because you're still working on it. You could think about how the pocket is fixed, maybe he has a belt, would also help to shape the mid section some and add structure when viewed from the back. I wouldn't be afraid to take some liberty to make the design stand on its own in 3D, while staying to the original concept.
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Looking closer, I think the sideview is not as convincing. Maybe roughly sketching the skeleton underneath will help you find a more fitting pose/shape:
Parts of gloves and shoes lack definition (e.g. the way they fold), but maybe because you're still working on it. You could think about how the pocket is fixed, maybe he has a belt, would also help to shape the mid section some and add structure when viewed from the back. I wouldn't be afraid to take some liberty to make the design stand on its own in 3D, while staying to the original concept.
Keep it up!