O Riesling / Sauvignon Blanc Glasses
The Riedel Restaurant O Riesling/Sauvignon Blanc Wine Tumbler (0412/15) is the third bowl shape in the O white wine range, calibrated for dry aromatic white wines with higher acidity where the bowl geometry reduces the perception of acidity and releases the wine's aromatic intensity. Part of Maximilian Riedel's original 2004 O collection, it applies varietal-specific engineering to the stemless tumbler format for wines where the shape of the glass makes an immediately perceptible difference.
At 375ml with a 79mm diameter, the bowl is proportioned for the lighter body and intense aromatics of Riesling, Sauvignon Blanc, and similar varieties, where the acidity is one of the wine's defining structural elements and needs to be presented as freshness rather than sharpness. Machine-made in lead-free crystal, certified for 1,500 commercial dishwasher cycles, sold in sets of 12.
Key features:
- Calibrated to reduce perceived acidity: The bowl geometry presents the wine's acidity as freshness and brightness rather than sharpness, making even a high-acid Riesling or Marlborough Sauvignon Blanc taste more generous and balanced
- Releases intense aromatics fully: Optimised for the aromatic volatility of Riesling and Sauvignon Blanc, allowing the full aromatic complexity to develop and reach the nose
- 375ml appropriate capacity for aromatic whites: Correctly sized for high-acid aromatic white wine service
- Based on Vinum benchmark shapes: The varietal-specific engineering of the Vinum series applied to the stemless format
- No stem, fully dishwasher-safe: Practical benefits for casual dining and high-volume service
- 1,500-cycle dishwasher certification: EN 12875-1/2 certified
- Set of 12, trade-only: Restaurant-format case quantity
What Restaurant Professionals Ask About This Product
The bowl geometry determines which part of the palate the wine contacts first. Acidic white wines like Riesling and Sauvignon Blanc can register as sharp or aggressive if the acidity is delivered prominently to the sides and back of the palate where sourness sensitivity is highest. The O Riesling/Sauvignon Blanc bowl is shaped to direct the wine to the front and tip of the palate first, where sweetness and fruit register, which frames the acidity that follows as refreshing brightness rather than sharpness. The acidity does not change; the order of perception does.
The Riedel Vinum O Riesling/Sauvignon Blanc shape was originally recommended for Zinfandel as well, on the basis that the bowl's delivery characteristics help balance Zinfandel's high alcohol and jammy fruit. In practice, a red wine tumbler is more natural for Zinfandel, but the bowl shape does work correctly for the variety.
The 0412/05 (Viognier/Chardonnay) is 330ml with a bowl calibrated for the richness of full-bodied oaked whites. The 0412/15 (Riesling/Sauvignon Blanc) is 375ml with a bowl calibrated for the aromatic intensity and higher acidity of lighter aromatic whites.
EN 12875-1/2 certified for 1,500 commercial dishwasher cycles. Without the stem as a failure point, O tumblers typically achieve longer service lives than equivalent stemmed formats.
Aromatic Whites in the Tumbler Format
Riesling is the variety where glassware has the most dramatic effect on perceived quality. A great Riesling in the wrong glass can taste thin, sharp, and joyless. The same wine in a correctly proportioned bowl reveals its complexity, the petrol, citrus blossom, stone fruit, and mineral character that make serious Riesling one of the most complete wines in the world, and presents its acidity as the structural backbone it actually is rather than a defect.
The O Riesling/Sauvignon Blanc tumbler delivers that transformation in a stemless format that is practical for the full range of service contexts where Riesling and Sauvignon Blanc are commonly consumed: the casual restaurant, the bar, the terrace pour. The varietal-specific engineering is retained; the stem is removed.
For operations with a serious aromatic white wine programme in casual or mixed service environments, the O Riesling/Sauvignon Blanc is the format that serves those wines correctly where they are actually being drunk.
Specifications
Care & Use Instructions
Dishwasher Use: EN 12875-1/2 certified for 1,500 cycles. Standard tumbler rack formats accommodate the O bowl. The 108mm height and 79mm diameter allow efficient racking. Remove promptly and allow to air dry.
Storage: Efficient storage at 108mm height. Annual breakage rates typically run 8-12% in active restaurant service.
Breakage Planning: 8-12% annually — lower than stemmed equivalents.
Why Buy From The Riedel Shop?
As specialist Riedel retailers, we stock the full Riedel Restaurant programme and can advise on building a complete glassware solution for your operation. The Restaurant O range is designed for professional restaurant and bar use; we can help you identify the right products for your specific service context. Available exclusively to trade customers.
Our Guarantees to You
- ✓ No Quibble Returns
- ✓ Half-Price Accidental Breakage Replacement (2 Years)
- ✓ Price Match Guarantee
Frequently Asked Questions
Standard delivery to mainland UK addresses typically takes 3-5 working days. For urgent orders, contact us to discuss expedited options.
We offer a no quibble return guarantee on unopened cases in original packaging. We recommend ordering one case to trial the product before committing to larger quantities.
For restaurants and groups requiring significant quantities, contact us to discuss volume pricing and delivery arrangements.
This product (SKU 0412/15) is designed for trade and professional use. Consumer equivalents may be available through Riedel's retail channels.
Care & Use
-
Dishwasher safe. (handmade decanters excepted)
-
Ideally, use soft water to avoid stains.
-
Avoid using glass or metal to avoid scratches.
-
Use white vinegar to remove stains.
-
If washing by hand, use warm water and detergent.
-
Do not hold glasses by the base when polishing.