@tygryseku This isn't a bad cutout, but you should take care to avoid the shoulders being cut off before the edge of the canvas (below is another example, showing the gaps between where the shoulders are cut off and the edge of the canvas).

@tygryseku, in addition to what @weeniehutjr said, all you need to do is be sure you don't crop the source image too narrowly before putting it through remove.bg, so that you have enough shoulder width to work with.

By way of example, here's what I cropped it to: