Reebok RBX Crossfit Athletic Tank Top Racerback.  

Running, Yoga, Crossfit, Weightlifting, Working Out.  

Green Striped.  

Sleeveless. 

Size Women's Medium.  

Approximate Measurements:

 - Arm Pit to Arm Pit: 16 Inches Across Laying Flat

 - Arm Pit to Bottom Shirt Hem: 17 Inches 

US Seller.