Originally Posted by
Delmarva
Yes. A blended pad is more marketing sizzle than anything useful. Best idea would be to buy pads suited to the riding conditions. And if a change in conditions is anticipated then fit the appropriate pads.
As might be done with tires.
Modern slip-in pad holders for both road and V-brakes (and some canti's) make this quite easy as no realignment is needed after the change. Just remove a small bolt or cotter pin, slip the old pad out, the new pad in and replace the fastener.