adidas Unisex Adilette Aqua Slides

Is that same with men size?

Is this a ladies size 5 ? Please

How Flexible/bendy is the sole on these, and how cushioned/firm are they under foot, please?

If i fit a 5.5 uk in stan smiths, should i take a 5.5 in the advantage? i have a wide foot and high instep. many thanks.