Adjustable straps
Rickrack, eyelet and embroidery detail
Pockets
Lined
Elastic in back 
Cute by itself, layered with a tee or shrug.
Measurements are approximate:
Small
Bust: 38”
Back Length: 36” (varies with adjustment of straps)
Medium
Bust: 40”
Length: 36” (varies with adjustment of straps)
Large:
Bust: 42”
Length: 36” (varies with adjustment of straps)