Size tag has been removed but based on mesuemnts I estimate size 6. Measures 15.5" pit to pit and 27" from shoulder to bottom hem. Please see pictures for a few small spots.

This Lululemon Women's Swiftly Tech 2.0 Long Sleeve Shirt in size 6 is the perfect addition to your activewear collection. With a classic crew neckline and collarless design, this shirt features a pullover closure and thumb holes for added comfort during your workout. The white color and logo accents make it a stylish choice for any season, whether you're cycling, cross training, doing CrossFit, or playing American football. The blended fabric, made of polyester, is machine washable for easy care.