Lululemon Aria Tank II Black Size 4

sweat-wicking and four-way stretch Power Luxtreme fabric helps to keep you cool wide, straight straps lie smooth against your shoulders slim fit makes it easy to check your alignment in the mirror shelf bra no bra inserts mesh panel on the back no size dot or rip tag, size based on measurement below: pit to pit approximately 15" laying flat likely a size 2 or 4