I'm 6'5" and I wish it were a little bit longer, but this is a good tight-fitting undergarment for winter flag football.  The first couple times you wear it are a little restrictive and it can be difficult to get the sleeves rotated right to wear you move comfortably, but once you have it on and get going there's no restriction.  Taking it off requires a bit of arm flexibility or help.  I usually tuck it under my waist but (in part because I'm 6'5" I'm sure) it often rides up and can expose my waist, which is annoying.

Also be aware that this thing soaks up b.o. like nothing else.  Fortunately, it machine washes just fine.  But you are going to want to be sure to wash it after every use to avoid a biohazard.