I think especially increasing the shadow on the collar region helped alot, especially since this should be by far the thickest are of the shirt. I also agree with you on the thickness of the sleeves and tried to shape them a bit, but it's incredibly hard to strike the right balance. While I think mine could use an increased shadow for example on the sleeves, yours are bit to thick I feel like.
Still, the collar area is a definitive improvement. Thank you, your thoughts are always very welcome =).
@hojoflow Thank you for compliment, but I have to admit that the mood in this piece is by pure accident. Especially for the face, the only thing that I had in mind while drawing it was that I have to make sure that it doesn't look distracting. For some reason I was way more confident in being able to nail the clothing than in my ability to draw a face that doesn't ruin the effort I put into rendering the clothes.
And since I haven't posted anything in a couple of days, here's my latest anatomy assignement. The only reference used was for the attachment of the latissimus dorsi, but I'll probably go over it an additional time and see if I can find errors via reference. If you spot any mistakes, I'd really appreciate some hints. The left shoulder area gave me a lot of trouble.
