Riedel Restaurant O Cabernet / Merlot Glasses (12 Pack)
Riedel Restaurant O Cabernet / Merlot Glasses (12 Pack)
Trade Customers Only
This product is available exclusively to approved Trade customers.
O Cabernet / Merlot Glasses
The Riedel Restaurant O Cabernet/Merlot Wine Tumbler (0412/0) made history in 2004 as the first varietal-specific wine tumbler ever produced: a stemless glass based on the proven bowl shape of the Riedel Vinum Cabernet series, designed to deliver the same tasting experience as a stemmed wine glass without the stem and its associated breakage risk. Introduced by Maximilian Riedel, it established the stemless wine glass as a legitimate format for serious wine service.
At 630ml with a 95mm diameter, the Cabernet/Merlot O tumbler provides the generous volume that full-bodied red wines need to aerate and express their aromatic character, in a robust format that fits easily in dishwashers and eliminates the primary failure point of stemmed glassware. Machine-made in lead-free crystal, certified for 1,500 commercial dishwasher cycles, sold in sets of 12.
Key features:
- Based on the Vinum Cabernet bowl shape: The O Wine Tumbler uses the benchmark bowl proportions of the Riedel Vinum series — the same varietal-specific engineering, without the stem
- The original varietal-specific wine tumbler (2004): Maximilian Riedel's introduction of the O range created the stemless wine glass category for serious wine service
- 630ml for full-bodied red wine aeration: Generous volume provides the breathing space that Cabernet Sauvignon, Merlot, and similar structured reds need to open up
- No stem eliminates primary breakage risk: The most common failure point in stemmed wine service is removed, significantly reducing replacement costs
- Comfortable casual hold: The bowl-as-tumbler format is comfortable to hold by the body for casual wine 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
Does a stemless glass affect the wine's temperature?
Yes, marginally. A stemmed glass keeps the hand away from the wine, preventing body heat from warming the wine through the glass. A stemless tumbler held by the body conducts hand heat more directly to the wine, which can raise the temperature slightly. For red wine served at room temperature (16-18C) this is rarely a significant issue in practice. For chilled wines, the stemless format is more of a temperature consideration.
How does the O Cabernet/Merlot compare to the O Viognier/Chardonnay?
The two O bowls use different shapes from the Vinum benchmark series. The 0412/0 (Cabernet/Merlot) is 630ml with a 95mm diameter, for full-bodied structured reds. The 0412/05 (Viognier/Chardonnay) is 330ml with a 79mm diameter, for full-bodied whites. Using the correct O bowl for the wine style provides the same varietal-specific benefit as using the correct stemmed glass.
Is the O Wine Tumbler suitable for formal wine service?
The O format is best suited to casual dining, terrace and outdoor service, and bar environments. For formal restaurant wine service where stemmed glassware is part of the presentation standard, the stemmed Restaurant range is the correct choice. Many operations use both: stemmed glasses in the dining room, O tumblers at the bar and on the terrace.
How many dishwasher cycles will this glass survive?
EN 12875-1/2 certified for 1,500 commercial dishwasher cycles. Without the stem as a failure point, O tumblers typically achieve longer average service lives than equivalent stemmed formats.
The O Wine Tumbler: The Original Varietal-Specific Stemless Glass
When Maximilian Riedel introduced the O Wine Tumbler in 2004, the wine industry's reaction was mixed: the idea that a serious wine glass did not require a stem felt like a contradiction. Twenty years later the stemless wine glass is a standard format in casual dining worldwide, and the O range is the original from which the category was built.
The specific achievement of the O Wine Tumbler was not simply removing the stem: it was applying the same varietal-specific bowl engineering that Riedel had developed for stemmed glasses to the tumbler format, so that the O Cabernet/Merlot delivers the same tasting experience as the Vinum Cabernet in a different form. The shape is not generic; it is the same shape that was developed through workshops with winemakers and proven to present Cabernet Sauvignon and Merlot correctly.
For restaurant operations, the O range solves the practical problem of high-volume wine service without requiring a compromise on the quality of the wine experience. The stem is removed; the engineering is retained.
Specifications
Care & Use Instructions
Dishwasher Use: EN 12875-1/2 certified for 1,500 cycles. Standard tumbler rack formats accommodate the O bowl well. The 121mm height and 95mm diameter allow efficient racking. Remove promptly and allow to air dry.
Storage: The tumbler format stores efficiently upright. Annual breakage rates for O tumblers are typically around 8-12% in active restaurant service.
Breakage Planning: 8-12% annually — lower than stemmed equivalents due to the absence of a stem as a failure point.
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
How long does delivery take?
Standard delivery to mainland UK addresses typically takes 3-5 working days. For urgent orders, contact us to discuss expedited options.
Can I return products if they don't suit our operation?
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.
Do you offer volume discounts for larger orders?
For restaurants and groups requiring significant quantities, contact us to discuss volume pricing and delivery arrangements.
Is this product available to home customers?
This product (SKU 0412/0) is designed for trade and professional use. Consumer equivalents may be available through Riedel's retail channels.
