Super Down Altai 0° Sleeping Bag | Ash
Original price was: $799.00.$239.70Current price is: $239.70.
Size Guide
Hunting Tops (Camo Jackets, Base Layers & Mid Layers)
| US Size | Chest (in) | Waist (in) | Sleeve Length (in) |
|---|---|---|---|
| S | 36–38 | 30–32 | 32–33 |
| M | 39–41 | 33–35 | 33–34 |
| L | 42–44 | 36–38 | 34–35 |
| XL | 45–48 | 39–42 | 35–36 |
| XXL | 49–52 | 43–46 | 36–37 |
Hunting Pants
| US Size | Waist (in) | Hip (in) | Inseam (in) |
|---|---|---|---|
| S | 28–30 | 34–36 | 30–32 |
| M | 32–34 | 38–40 | 32–33 |
| L | 36–38 | 42–44 | 33–34 |
| XL | 40–42 | 46–48 | 34–35 |
| XXL | 44–46 | 50–52 | 35–36 |
Hats & Face Masks
| US Size | Head Circumference (in) |
|---|---|
| S/M | 21–22.5 |
| L/XL | 22.5–24 |
| One Size | 21–24 |
Hunting Gloves
| US Size | Hand Circumference (in) |
|---|---|
| S | 7–7.5 |
| M | 7.5–8.25 |
| L | 8.25–9 |
| XL | 9–9.75 |
| XXL | 9.75–10.5 |
Hunting Boots
| US Size | Foot Length (in) | Calf Circumference (in) | Shaft Height (in) |
|---|---|---|---|
| 7 | 9.4–9.6 | 13.0–13.5 | 12.0 |
| 8 | 9.8–10.0 | 13.5–14.0 | 12.2 |
| 9 | 10.2–10.4 | 14.0–14.5 | 12.5 |
| 10 | 10.6–10.8 | 14.5–15.0 | 12.8 |
| 11 | 11.0–11.2 | 15.0–15.5 | 13.0 |
Hunting Backpacks & Pack Accessories
| Fit Size | Torso Length (in) | Waist Belt (in) |
|---|---|---|
| S | 16–18 | 28–32 |
| M | 18–20 | 32–38 |
| L | 20–22 | 38–44 |
| XL | 22–24 | 44–50 |
* All measurements are in inches. Measure over light base layers for accurate sizing.
* If you are between sizes or plan to wear extra insulation underneath, we recommend sizing up.
* Slight fit variation may occur between camo patterns, fabric stretch, and waterproof shell materials.
* Backpack torso fit is critical for long mountain hunts; double-check your torso length before ordering.
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Description & Features
When it comes to serious expedition backpack hunts, there’s no skimping on your sleeping bag, so we build to surpass the requirements. The Super Down Altai Sleeping Bag is made from the highest-quality materials, combined with superior design elements, all while maintaining a packable size and ultralight weight.
It starts with our legendary Quixdown® insulation made from premium Eastern-European goose down that’s sourced from regions where geese grow the largest and warmest plumes in the world. The down is cleaned, perfected, and treated with the industry’s best-performing DWR so it won’t wet out, even in the IDFL’s seemingly unpassable water-shake test.
Leveraging your own body heat, the all-new interior is made from a revolutionary aluminized fabric for ultimate heat reflection and retention. The outer shell is spec’d with an ultralight, strong, and 100% windproof fabric, that won’t let moisture in thanks to its top-performing K-DWR® water-resistant finish.
The bag is designed with a combination of chevron shaped horizontal and vertically oriented box-baffles that keep the down from migrating or shifting, effectively eliminating cold spots. For increased heat retention and comfort, the bag features draft tubes around the head, shoulder, and along the zipper.
Compared to our previous designs, we reduced overall weight, yet the bag features extra room in the chest area, making it ideal for side sleepers. For additional space, use our zip-in expansion wedge (sold separately). For warmer nights, the bag may be unzipped and used as a quilt with feet positioned in the more ergonomic and generously sized foot box.
Download Complete Specs

Ryan –
As time went on, I honestly think the controls feel intuitive and easy to use. I am genuinely happy with the purchase. The overall purchase experience felt seamless.
Eric –
After getting used to it, I found the sound quality feels clear and well balanced. it left a very positive impression. Customer service was friendly and available.
Hannah –
In everyday situations, I was surprised that everything works smoothly during daily use. I feel good about the value it provides. Support was available when questions came up.
Tyler –
As time went on, I started to feel it performs better than expected for everyday listening. I am very satisfied with the experience. Shipping was fast and well organized.
Andrew –
In daily routines, I came to appreciate it delivers stable and enjoyable performance. I am glad I decided to try it. The packaging was secure and professional.
Sarah –
From early on, I learned the overall experience feels simple and enjoyable. I am glad I decided to try it. Customer support was responsive and helpful.