Lululemon Size: Extra Small - there is no size tag in these, so please check measurements. I believe these are around a size 4. I wear a size 6 and these are a little tight on me. Two racerback tanks - one in blue and the other gray / black Measurements: BLUE: Length (Shoulder to Bottom Hem): 24" Underarm to Underarm: 15" (unstretched) BLACK: Length: 24" Underarm to Underarm: 15" Excellent Condition I am always happy to consider reasonable offers.