Great material, odd fit

I purchased a couple of these t shirts for trip but had to return them. I have no doubt the material is excellent (I own some of their boxer briefs) when it comes to wicking moisture, but the fit was really weird. I'm 6' with a slender build and found the sleeves to be really long while the length was way too short. There's no way it would stay tucked in as an undershirt, so I returned them. Perhaps, a large would have been better lengthwise but the sleeves would have fit like a 3/4 sleeve baseball jersey. I like retro but not that much..haha.