will these shoes stay on in say a swifter curent in a river crossing or will they be a water ancore on my feet and drag me downstream?

Tech Specs:

Material:

[Upper] hydrophobic synthetic leather, open mesh; [Lining] hydrophobic SBR; [Midsole] EVA Northotic; 

Lining:

Nylon 

Sole:

[Outsole] HydroTrak sticky rubber with drainage ports 

Lacing:

Standard 

Weight:

[Pair, size 9] 1lb 3oz (528g) 

Recommended Use:

Getting wet, canyoning, rafting, hunting anacondas 

Manufacturer Warranty:

1 Year