Just wanted to share since I got sucked in by the great deal, too. Ordered the Compass set, with the black Eureka Long Sleeve Top, black Capri Fold Over Waist, and the infinity scarf. Wasn't sure about sizing since I am usually a small up top (2/4) and other people mentioned it being tts I went with small. The pants I went with medium as per usual since I'm usually a 6/28.
The leggings were a nice fit when I briefly tried them on and I would say they may work better for lounging pants for me, at least now in the winter since they're on the thinner side. At least for me, this style wasn't tighter fitting and I'm not sure they would work very well with bending if they're folded over - I wish they were a tiny bit higher on the rise. This specific shirt is thinner than I expected but the structure looked like it was going to be really nice at sweat wicking. For me it was definitely on the small side, the sizing definitely affects the neck (smaller opening) and the arm tightness, since it's supposed to be tight fighting anyway there's less room for budging. Probably would have been happier with a medium but it fit well enough that I didn't want to bother with exchange. The scarf was longer than I expected but it's great and I also love that after a work out it feels sweat wicking and adds some style.
Unfortunately I immediately ripped off the tag from the shirt to go work out and by the time I made it to the gym the shirt picked up every bit of fuzz humanly possible. Be forewarned, not sure if this is common for this type of material? Also, maybe it was a warmer than usual day but I overheated way faster in it than usual making the workout uncomfortable much faster, not sure I would wear this. It's too late I think to return but I may email cs about this anyway just to ask about it for future reference. It was a pretty good deal at the discount price either way and will probably look around the site and see if something else calls to me.