Lululemon Racerback Tanktops Qty: 4 Size: 4 Condition: Used, good condition Colors: White, blue (two variations), green Notes: The white and both blues are the same fabric while the green is reversible and more of a sweat wicking fabric. While there are no longer tags (and I can’t find the hidden sizing sticker on them) I know these are all size 4 — I’ve only purchased this size at Lulu until recently.