OluKai - Pehuea Heu. Color Lava Rock/Lava Rock. On sale for $96.40. MSRP $140.00.. 3.7 out of 5 stars+2Brand NameOluKaiProduct NamePehuea HeuColorLava Rock/Lava RockPrice$96.40MSRP: $140.00Rating4Rated 4 stars out of 5(63)