I always get TONS of compliments on this exact sweater! So I decided to hunt them down to sell on to my fabulous customers. Pre-owned and original brand of H&M. Please see measurements below.
 
Measurements
 
Size: Small
Chest: 49 cm across front when lain flat
Length: 60 cm
 
Size: Medium
Chest: 53 cm across front when lain flat
Length: 63 cm
 
Size: Large
Chest: 55 cm across front when lain flat
Length:  66 cm