Float tube fins with boot/without boot?

[Flyfishinglover]

I just went to Sportsmen warehouse and saw they had force find on discount for their last pair so I bought them and they told me it's the last pair because none of their store carry them anymore.

The size is to small for my wader with boots so I'm just curious is there any big divantages while float tubing just in wader than wader and boots on?

Is their any warmth difference if I have no boots on while in the fin?
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