Lululemon Energy Tank In Plum. Fits like a size 4. Size tag missing. See measurements to compare. When we're practicing at the beach, we want to be wearing lightweight pieces that do double duty - we created this tank with a light-support, built-in bra so we don't have to layer up on hot days. Body-mapped panels of breathable Mesh help keep us cool when we're sweating in the sun (no air conditioning needed). four-way stretch Power Luxtreme fabric wicks sweat - perfect for hot classes and hot days strategically-placed panels of lightweight Mesh are breathable criss-cross back straps are reinforced with elastic for added support chafe-resistant flat seams so sticky skin doesn't get irritated removable cups add shape and give coverage pit to pit-13" length-25"