RIEDEL O Wine Tumbler Syrah/Shiraz 620ml (Set of 2)The RIEDEL O Tumbler was the first varietal specific wine tumbler in history, designed in 2004. O is an innovative take on the casual wine glass, based on the benchmark shapes of RIEDEL's Vinum series. Better yet, the O Tumbler fits into every dishwasher so broken stems are a thing of the past. The Shiraz glass is perfect for balancing the gripping tannins and concentrated fruit typical of medium bodied red wines. This shape was developed between 1993