For me, all seams are neat and otherwise undershirt makes a good quality impression.
I have already washed it several times and it is still sitting as the day and the color has not changed so far. After washing, it is quite dries quickly.
It's actually a shame to wear it underneath. In the summer I'm going to wear it in any case so.
Conclusion:
Soft feel and also looks nice. I'll buy it for me even in other colors
