The Sauvignon Blanc glass is perfect for all styles of this variety, from the grassy, fruit-forward wines of the Marlborough to the oak-aged, honeyed blends from Bordeaux. To celebrate the 20th anniversary of the Vinum Sauvignon Blanc glass, Riedel released a new glass shape for this aromatic white wine designed to suit the variety's evolving New World style. The optic impact in the Riedel Performance series adds both a design feature and an astounding effect on the wine's aromatics.This piece is produced with clear crystal.Riedel Performance is the first wine glass series ever to feature bowls with a light optic impact for better aromatics. Co-designed by both Georg and Maximilian Riedel, Riedel Performance is a technologically advanced and user-friendly collection of grape varietal specific glasses.This item is Premium machine-made. 'Premium' defines the advantage of a machine blown Riedel glass vs. a hand-made glass. The difference lies within the precision.