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Super Down Altai Size Expander | Stone
Original price was: $119.00.$35.70Current price is: $35.70.
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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
This size expander adds up to 6.75 in / 17 cm of extra chest room in the Super Down Altai Sleeping bags, making it ideal for side sleepers and larger individuals. Built from the same materials as the Altai Sleeping bag, including a combination of Quixdown and 3DeFX synthetic insulations, it maintains the effective warmth of your bag while adding shoulder room.
This expander will retrofit on the regular length Super Down Sleeping Bags predating 2024. It will zip into the long size; however, the expander does not extend the full length of the bag’s extended zipper.
Sophia –
After regular use, I came to appreciate it delivers stable and enjoyable performance. I am genuinely happy with the purchase. Service quality added to the positive experience.
Amelia –
After spending time with it, it became clear the controls feel intuitive and easy to use. it left a very positive impression. Shipping was fast and well organized.
Evelyn –
From a practical point of view, it became clear the controls feel intuitive and easy to use. I am glad I decided to try it. Shipping was fast and well organized.
Megan –
In my experience, I honestly think using it feels comfortable for long sessions. it brings a sense of convenience and comfort. Delivery arrived earlier than expected.