A process to prepare lubricating oil basestocks having a VI of at least 80 to 120 from a lube oil boiling range feedstock comprising: a) extracting a lubricating oil feedstock in a solvent extraction zone with an extraction solvent under conditions effective at producing at least an aromatics-lean raffinate solution containing extraction solvent; b) removing at least a portion of the extraction solvent from the aromatics-lean raffinate solution to produce a raffinate feedstock; c) contacting the raffinate feedstock with a stacked bed hydrotreating catalyst system comprising at least a first and second hydrotreating catalyst in a reaction stage operated under effective conditions thereby producing a hydrotreated effluent comprising at least a gaseous product and a hydrotreated raffinate, wherein the second hydrotreating catalyst is downstream, in relation to the flow of the lubricating oil feedstock, from the first hydrotreating catalyst; and d) dewaxing said hydrotreated raffinate under effective dewaxing conditions thereby producing at least a lubricating oil basestock having a saturates content of at least 90%, a sulfur content of 0.03 wt.% or less, and a viscosity index between 80 and 120, wherein said first hydrotreating catalyst is selected from supported hydrotreating catalysts comprising 2 to 20 wt.% of at least one Group VIII metal, and 5 to 50 wt.% of at least one Group VI metal on a high surface area support material and having an average pore diameter of greater than 10nm, as measured by water adsorption porosimetry, and said second hydrotreating catalyst is a bulk metal hydrotreating catalyst comprising 30 to 100 wt.% of at least one Group VIII non-noble metal and at least one Group VIB metal, based on the total weight of the bulk catalyst particles, calculated as metal oxides and wherein the bulk catalyst particles have a surface area of at least 10 m 2 /g, and wherein the stacked bed hydrotreating catalyst system comprises 5-95 vol.% of the first hydrotreating catalyst with the second hydrotreating catalyst comprising the remainder. a) extracting a lubricating oil feedstock in a solvent extraction zone with an extraction solvent under conditions effective at producing at least an aromatics-lean raffinate solution containing extraction solvent; b) removing at least a portion of the extraction solvent from the aromatics-lean raffinate solution to produce a raffinate feedstock; c) contacting the raffinate feedstock with a stacked bed hydrotreating catalyst system comprising at least a first and second hydrotreating catalyst in a reaction stage operated under effective conditions thereby producing a hydrotreated effluent comprising at least a gaseous product and a hydrotreated raffinate, wherein the second hydrotreating catalyst is downstream, in relation to the flow of the lubricating oil feedstock, from the first hydrotreating catalyst; and d) dewaxing said hydrotreated raffinate under effective dewaxing conditions thereby producing at least a lubricating oil basestock having a saturates content of at least 90%, a sulfur content of 0.03 wt.% or less, and a viscosity index between 80 and 120, wherein said first hydrotreating catalyst is selected from supported hydrotreating catalysts comprising 2 to 20 wt.% of at least one Group VIII metal, and 5 to 50 wt.% of at least one Group VI metal on a high surface area support material and having an average pore diameter of greater than 10nm, as measured by water adsorption porosimetry, and said second hydrotreating catalyst is a bulk metal hydrotreating catalyst comprising 30 to 100 wt.% of at least one Group VIII non-noble metal and at least one Group VIB metal, based on the total weight of the bulk catalyst particles, calculated as metal oxides and wherein the bulk catalyst particles have a surface area of at least 10 m 2 /g, and wherein the stacked bed hydrotreating catalyst system comprises 5-95 vol.% of the first hydrotreating catalyst with the second hydrotreating catalyst comprising the remainder.