Athleta Keyhole Knot Long Sleeve Activewear Workout Top Blue Small S 631814 Small mark on left shoulder as seen in last pic Size S 85% cotton, 8% spandex/elastane, 7% polyester Pit to pit 18.25” and length 21” measurements in pics Style 631814 FOR: Commuting, work, and travel FEEL: Lightweight and breathable cotton FAVE: ionic+™ technology with naturally occurring antimicrobial silver ions knit in the fabric eliminates odor before it starts. Relaxed with room to move Regular, hits at low hip Scoop neck BREATHABLE: Airflow moves easily through the garment