Bought two different styles from this brand and both fit perfectly. I'm 5'9", 153 lbs and got the US Medium (just be sure it's US Medium and not the Label Medium). I initially had reservations given the plethora of comments about sizing, but it turns out the sizing is spot on with brands like Adidas, Nike, NB, Asics, Mizuno, or Saucony. The fabric feels great and does as good of a job at sweat wicking as any other brand's athletic wear. The stitching could be better though, but for that price, it's not too much of a surprise. For the price, style, colors, fit and feel, I just bought three more, which comes out to the price of one big brand T-shirt.
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