This women’s specific design has offers women a new level of comfort and fit with the combination of Foam Tectonics, an internal back band for mid-back comfort, and an adjustable sports bra. Shorter torso height and feminine styling also make the Bella the perfect lifejacket. This freestyle oriented vest is to be worn low on the torso. Fits best on athletic body types. Size Options: (measured at greatest torso circumference in inches) Small/Medium 31-37" Medium/Large 38-44" Large/Extra Large 45-51"