Riedel: glasses designed for wine tasting. Riedel is one of the most recognized brands in the world of wine tasting because it has developed glasses designed for different types of wine and grape varieties. The shape of the glass can influence the perception of aromas, the direction of the wine on the palate, and the balance between acidity, tannin, body, and aromatic intensity. The selection includes wine glasses, tasting sets, and decanters for sophisticated home service, restaurants, and sommeliers.