Pre-owned authentic Lululemon Women's Gray Long Sleeve Swiftly Tech T Shirt Size 12. Armpit to armpit is 19” inches. Length is 26” inches. Has a spot in bottom that I have not tried to clean. Please look at pictures for better reference. Let me know if you have any other questions. Happy Shopping! JAN25 EB. B18 Tags: Outerwear, Activewear, Outdoors, Camping, Winter, Athleisure, Casual, Adventure, Travel, Athletic, Yoga, Running, Gym