
CUMULUS Panyam 450
Cumulus Panyam 450
The Cumulus Panyam 450 is a highly versatile, lightweight sleeping bag designed for three-season use, with enough performance to handle mild winter conditions. It strikes an ideal balance between warmth and weight, making it a reliable companion from spring through autumn—and even into colder nights when needed.
Built with ultra-light Pertex® Quantum fabric (29 g/m²), the Panyam 450 keeps overall weight impressively low at just 810 g, without compromising durability or comfort. Inside, premium 850 fill power Polish goose down provides excellent insulation and compressibility for efficient packing on longer trips.
The construction is carefully engineered to maximize warmth and comfort. Trapezoid-shaped chambers ensure even down distribution, while the anatomical shark-fin foot box allows natural foot positioning and improved thermal efficiency. The 3D-shaped hood wraps comfortably around your head, now enhanced with adjustable drawcords of different textures—making it easy to fine-tune the fit even in the dark.
For colder conditions, the sleeping bag features an independent, adjustable collar that seals in heat around the neck, along with a full-length YKK® zipper equipped with an anti-snag system and insulated draft tube to prevent heat loss. Thoughtful details such as a noctilucent zip puller, inner mesh pocket, and smooth zipper operation make nighttime use simple and comfortable.
The slightly roomier cut allows for additional layers or a liner, giving experienced users the flexibility to push the temperature limits further when needed.
| Technical Specifications | |
|---|---|
| Comfort Temperature | 0°C (32°F) |
| Limit Temperature | -6°C (21°F) |
| Extreme Temperature | -23°C (-9°F) |
| Weight | 810 g (28.6 oz) |
| Down Amount | 450 g (15.8 oz) |
| Down Quality | 850 FP (Fill Power) |

FEATURES
- Fill: 850 Fill Power ethically sourced Polish goose down
- Shell and liner: Pertex® Quantum 29 g/m², 15-denier ripstop, DWR finish (100% nylon)
- Full length, 5 mm YKK® zip with 2 self-locking sliders
- Zipper garage
- Zip slider with anti-snag system
- Down-filled zip insulating tube
- Mummy shape
- Anatomical, shark fin foot box design
- 3D shaped hood design
- 2 different hood draw cords for comfortable adjustment in the dark
- Construction: Trapezoid chamber design
- Separately filled front and bottom
- Differential cut design
- Inner zipped mesh pocket with a noctilucent puller
- Can be opened and ventilated at the footbox
- Can be combined with other sleeping bags
- Hang loops for storage and drying
- Stuffsack and storage sack included
MEASUREMETNTS
Maximum user height: 190 cm
Length: 208 cm
Width (top/bottom): 80/55 cm
Stuffsack’s dimensions (height/diameter): 26/18 cm
Stuffsack’s volume: 6 l
Number of down chambers: 36
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CUMULUS Panyam 450
Cumulus Panyam 450
The Cumulus Panyam 450 is a highly versatile, lightweight sleeping bag designed for three-season use, with enough performance to handle mild winter conditions. It strikes an ideal balance between warmth and weight, making it a reliable companion from spring through autumn—and even into colder nights when needed.
Built with ultra-light Pertex® Quantum fabric (29 g/m²), the Panyam 450 keeps overall weight impressively low at just 810 g, without compromising durability or comfort. Inside, premium 850 fill power Polish goose down provides excellent insulation and compressibility for efficient packing on longer trips.
The construction is carefully engineered to maximize warmth and comfort. Trapezoid-shaped chambers ensure even down distribution, while the anatomical shark-fin foot box allows natural foot positioning and improved thermal efficiency. The 3D-shaped hood wraps comfortably around your head, now enhanced with adjustable drawcords of different textures—making it easy to fine-tune the fit even in the dark.
For colder conditions, the sleeping bag features an independent, adjustable collar that seals in heat around the neck, along with a full-length YKK® zipper equipped with an anti-snag system and insulated draft tube to prevent heat loss. Thoughtful details such as a noctilucent zip puller, inner mesh pocket, and smooth zipper operation make nighttime use simple and comfortable.
The slightly roomier cut allows for additional layers or a liner, giving experienced users the flexibility to push the temperature limits further when needed.
| Technical Specifications | |
|---|---|
| Comfort Temperature | 0°C (32°F) |
| Limit Temperature | -6°C (21°F) |
| Extreme Temperature | -23°C (-9°F) |
| Weight | 810 g (28.6 oz) |
| Down Amount | 450 g (15.8 oz) |
| Down Quality | 850 FP (Fill Power) |

FEATURES
- Fill: 850 Fill Power ethically sourced Polish goose down
- Shell and liner: Pertex® Quantum 29 g/m², 15-denier ripstop, DWR finish (100% nylon)
- Full length, 5 mm YKK® zip with 2 self-locking sliders
- Zipper garage
- Zip slider with anti-snag system
- Down-filled zip insulating tube
- Mummy shape
- Anatomical, shark fin foot box design
- 3D shaped hood design
- 2 different hood draw cords for comfortable adjustment in the dark
- Construction: Trapezoid chamber design
- Separately filled front and bottom
- Differential cut design
- Inner zipped mesh pocket with a noctilucent puller
- Can be opened and ventilated at the footbox
- Can be combined with other sleeping bags
- Hang loops for storage and drying
- Stuffsack and storage sack included
MEASUREMETNTS
Maximum user height: 190 cm
Length: 208 cm
Width (top/bottom): 80/55 cm
Stuffsack’s dimensions (height/diameter): 26/18 cm
Stuffsack’s volume: 6 l
Number of down chambers: 36
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Cumulus Panyam 450
The Cumulus Panyam 450 is a highly versatile, lightweight sleeping bag designed for three-season use, with enough performance to handle mild winter conditions. It strikes an ideal balance between warmth and weight, making it a reliable companion from spring through autumn—and even into colder nights when needed.
Built with ultra-light Pertex® Quantum fabric (29 g/m²), the Panyam 450 keeps overall weight impressively low at just 810 g, without compromising durability or comfort. Inside, premium 850 fill power Polish goose down provides excellent insulation and compressibility for efficient packing on longer trips.
The construction is carefully engineered to maximize warmth and comfort. Trapezoid-shaped chambers ensure even down distribution, while the anatomical shark-fin foot box allows natural foot positioning and improved thermal efficiency. The 3D-shaped hood wraps comfortably around your head, now enhanced with adjustable drawcords of different textures—making it easy to fine-tune the fit even in the dark.
For colder conditions, the sleeping bag features an independent, adjustable collar that seals in heat around the neck, along with a full-length YKK® zipper equipped with an anti-snag system and insulated draft tube to prevent heat loss. Thoughtful details such as a noctilucent zip puller, inner mesh pocket, and smooth zipper operation make nighttime use simple and comfortable.
The slightly roomier cut allows for additional layers or a liner, giving experienced users the flexibility to push the temperature limits further when needed.
| Technical Specifications | |
|---|---|
| Comfort Temperature | 0°C (32°F) |
| Limit Temperature | -6°C (21°F) |
| Extreme Temperature | -23°C (-9°F) |
| Weight | 810 g (28.6 oz) |
| Down Amount | 450 g (15.8 oz) |
| Down Quality | 850 FP (Fill Power) |

FEATURES
- Fill: 850 Fill Power ethically sourced Polish goose down
- Shell and liner: Pertex® Quantum 29 g/m², 15-denier ripstop, DWR finish (100% nylon)
- Full length, 5 mm YKK® zip with 2 self-locking sliders
- Zipper garage
- Zip slider with anti-snag system
- Down-filled zip insulating tube
- Mummy shape
- Anatomical, shark fin foot box design
- 3D shaped hood design
- 2 different hood draw cords for comfortable adjustment in the dark
- Construction: Trapezoid chamber design
- Separately filled front and bottom
- Differential cut design
- Inner zipped mesh pocket with a noctilucent puller
- Can be opened and ventilated at the footbox
- Can be combined with other sleeping bags
- Hang loops for storage and drying
- Stuffsack and storage sack included
MEASUREMETNTS
Maximum user height: 190 cm
Length: 208 cm
Width (top/bottom): 80/55 cm
Stuffsack’s dimensions (height/diameter): 26/18 cm
Stuffsack’s volume: 6 l
Number of down chambers: 36





















