Teneqa 700

You will need to give a budget, what seasons, summit camps? Expectations etc I like cumulus, custom made high quality down sleeping bags. I have an X-Lite 300 for 3 seasons and a Teneqa 700 for winter

My advise: I contacted Western Mountaineering (WM), Peter Hutchinson Designs (PHD), Helsport, Cumulus Outdoor. Conclusion: as a rule of thumb, the comfort temperature for a 'cold sleeper' is a sleeping bags 'T Comfort' rating minus approx. 10 degrees Celsius, in other words if you want feel comfortabel around 0 degrees Celsius you need a sleeping bag with -10 degrees Celsius 'T Comfort' (for example something like a Cumulus Teneqa 700); The Achilles heel of a 3-season sleeping bag is its ability to cope with damp, cold (weather and tent) conditions (for exmaple something like a Cumulus Polar Overbag, Shield Bivi or ultralight bivi)!!! A sleeping bag with goose down filling is generally superior to duck down filling. I advise you buying goose down minimal 850FP. A sleeping bag with no draft collar, is a big drawback, for a 'cold sleeper' in damp, cold conditions (for example a Cumulus Teneqa 700 has a collar). I'm wearing, as a cold sleeper, a base layer in the sleeping bag. In summer, spring, and autumn, I use merino wool 175g/m², and in winter, I use merino wool 260g/m² or G-Loft 40g/m² or 80g/m². You also need a sleeping bag liner. You also need a sleeping mat (for example with at least R-value 4). Hope this helps.

Goose down is generally superior to duck down. I advise you buying goose down minimal 850FP. The Achilles heel of a 3-season sleeping bag is its ability to cope with damp, cold (weather and tent) conditions!!! I contacted Western Mountaineering (WM), Peter Hutchinson Designs (PHD), Helsport, Cumulus Outdoor. Conclusion: as a rule of thumb, the comfort temperature for a 'cold sleeper' is a sleeping bags 'T Comfort' rating minus approx. 10C, in other words if you want feel comfortabel around 0C you need a sleeping bag with -10C 'T Comfort'; I advise you / 'cold sleeper' buy from a manufacturer which ALSO offers: \-an inner sleeping bag (e.g. Cumulus Panyam 600); \-an outer synthetic bag (e.g. Cumuls Polar Overbag for handling damp, cold conditions); \-winter / expedition sleeping bags (e.g. Cumulus Excuistic, Teneqa); \-Overfill, additional overfill; WM good quality, but insufficient expedition sleeping bag supply in Germany, Netherlands, France. PHD good quality, but very expensive, very slow email accessibility. Helsport too few specifications. Buy a sleeping mat with R-value suitable for 0C! I'm in doubt about hydrophobic goose down, because: \-Cumulus Outdoor quote "... For over a decade we’ve used hydrophobic down in many Cumulus® products. Thanks to a special treatment it performs better in damp conditions, holding loft longer and drying faster. ..."; \-WM quote "... Through our own testing, we’ve found that the performance benefits of hydrophobic treatments on high-quality down are often overstated. Premium, untreated goose down naturally contains water-repellent oils — which makes sense, given that geese spend much of their lives in wet environments — and these oils help maintain loft and insulation over time. Hydrophobic treatments tend to wash out much like a DWR and can strip away those natural oils during application, potentially reducing long-term performance. Combined with the strong water resistance of our shell fabrics, we don’t feel hydrophobic down provides a meaningful advantage and, over the lifetime of the product, may actually work against it. ..."; \-PHD quote "... We are currently monitoring the development of hydrophobic downs, in which DWR (Durable Water Repellent) chemical treatments are used as a coating. The idea is that the treatment both slows down water absorption and stiffens the tendrils of the down cluster to increase fill power. However, the longevity of treated down and the speed of deterioration of fill power is a concern to us. High quality, well processed natural downs are actually already very hydrophobic. In addition, we make many of our products in water resistant fabrics to protect the down from condensation found in tents and snow holes. And where necessary, to protect even further, we offer fully taped waterproof shells. ...";

as said everyone is different but i felt cold in a teneqa 700 in -6C and sent it back for 200g extra down, unfortunately i havent had a chance to test the new fill yet but I would imagine it will get down to -10C comfortable with normal sleep gear. edit: im a 187cm male with some extra padding adding up to 95kgs, I dont sleep cold at home but sleeping outside in freezing temps is something different.

Cumulus has a good reputation for having the best price/quality for high-end bags in Europe. Teneqa 700 has a -10 comfort rating, is well within your budget, and has a relatively low weight.

Before you buy, I'd read through Dan Timmerman's blog: [https://timmermade.com/blog/](https://timmermade.com/blog/) He says it better than I will. But it comes down to wrapping yourself with the right thickness of insulation for the least amount of weight and money, which means you need a bag that fits your body and sleeping position, and uses the right amounts of top-notch materials. **Keep in mind insulation is a complete system**. It includes sleeping pads and shelters. \-A thin CCF pad under an air pad boosts R-value for cheap. Decathlon's foam roll is 210g and 9 Euro. GG thinlite is half the weight and double the price, which is still cheap. \-A bivy bag can easily add 5C to your warmth because it prevents wind from stealing your warmth. You can find them on aliexpress for \~30 Euro in the 250g gram range, or from cottage makers in US for more $ and less g. Keep in mind, you do still want good ventilation to prevent condensation. Feathered Friends is gold standard. Quality is top. The price reflects that. Any of the FF 10F (-12C) or 0F (-18C) bags could work. Don't get confused by names. Just look at the girth specs, and fit to height. **Maybe** in your price range with the USD being cheap right now. I think the Cumulus Panyam and Teneqa series check all the boxes at a fair price. Choose the weight you need, add an extra 60g of down, and size it to fit yourself. Good options on website. You'll come in right around 400-500 Euro. Cheaper than that is Aegismax. \-G is the 850 FP goose down UL winter series, Choose your weight and length. Is it totally dialed in? No, but it's a really solid choice. \-D is the 650 FP duck down budget series. Adequate, not ideal but worth mentioning though My best personal experiences have been with \-Feathered Friends Flicker 20 (-7C) for general 3 season use, which I like for versatility. It works down to actual rated temp with the right shelter, pads, campsite selection, clothing. \-Aegismax Mini 6C which is good for summer use (which is half the year where I live), but was impressed with brand.

Take a look at cumulus bags. They can do custom fill (up or down, “waterproof” different fabrics etc ) and custom sizing for it as well if you wish. Not cheap but personally I think they’re the best down bags on the market.