We used to have one of these and it was fab!
It was vaguely for size 18+, but I know a 5 foot size 16 is not the same as a 6 foot one, so don't think it needs to be strict.
Anyway, if anyone would like to join me they'd be v welcome.
FWIW, I'm a tall size 18, apple shape.
Still in my PJs
. Then going out for a walk / run (stating C25K again).