This is a super elegant silk, long sleeved tops. Keyhole in the back. Darts to the side of the scoop neck. 

Measurements 

S- Bust: 38" Waist: 26" Length: 25" Arm Width: 14"

M- Bust: 38" Waist: 28" Length: 26" Arm Width: 16" 

L- Bust: 40" Waist: 28.5" Length: 26" Arm Width: 18"