Nunn Bush - Rio Vista River Slide Sandal. Color Black. On sale for $49.97. MSRP $75.00.. 4.2 out of 5 stars+2Brand NameNunn BushProduct NameRio Vista River Slide SandalGenderMen'sColorBlackPrice$49.97MSRP: $75.00Rating4Rated 4 stars out of 5(8)