This vest is impact and choc protection tested and certified
This is not 50N
Certification documents available on “compliance“

High density thermoformed foam 
>to improve comfort during falls

Super stretch neoprene
>for great flexibility and comfort

Harness zone design
>no foam panels to allow the harness to fit comfortably around the waist

Super compact and non-slip
>design to hold the vest down and prevent it from riding up

Impact tested
>In compliance with personal protective equipment