Lululemon Back In Action Long Sleeve White 14 We designed this super soft long sleeve to help keep you cool and comfortable after your workout. pima cotton Pima Cotton fabric is breathable and soft against your skin features * Designed for: On the Move * Lycra®: Added Lycra® fibre for shape retention * Long length: Long length pairs perfectly with tights * Relaxed fit: Gives you room to move without restriction Shoulder to hem: 26” Pit to pit: 30” I believe it to be a 14 but the size tag is gone, so measurements above! meant to fit loosely