Prototype sample from before our final production run — may vary slightly in colour or design, but performance is unaffected. Used for display, so may show light wear or dirt and benefit from a clean before use.
The Mantis 400 is our latest innovation in lightweight sleeping bags, featuring our unique ThermX design. ThermX combines a propriety construction and insulation technology to focus warmth where you need
...
£54.00
£90.00
-40%
Be one of the first to know!
We’re sorry we’re out of stock but we can let you know as soon as it's available if you enter your email address below.
- Recycled 40 denier ripstop nylon shell fabric is durable, water resistant, lightweight and highly breathable
- Recycled 40 denier ripstop nylon lining fabric is soft-touch, tear resistant and highly compressible to reduce pack size
- Therm-X design combines a unique proprietary construction and insulation technology targeting heat where you need it most for increased warmth-to-weight ratio
- Thermal Reverb - Our non-woven aluminised fabric layers are strategically placed to reflect heat back to the user to increase warmth and heat retention
- Thermal Embrace - Elasticated threads in the lining gently cinches the sleeping bag closer to your body, reducing cold spots without restricting movement
- Insulated Adjustable Shoulder Baffle - Retains heat within the sleeping bag
- 2 Panel 3D hood shaped to prevent heat loss from the head for maximum warmth and comfort
- Full Length Two-Way Auto-Lock Zip with Zip Guard - Used to seal in warmth or provide ventilation and can be used from inside the bag. Anti-catch piping helps to prevent the zip from snagging on the lining
- Engineered for warmth, Omega shaping is ergonomically tailored around the head and shoulders. Zips and seams are placed in the lower section of the bag to retain warmth more effectively
- Insulated Zip Baffle - Retains heat within the sleeping bag and reduces cold spots
- Internal Pocket - Provides convenient storage for small items
- A redesigned ergonomic footbox increases comfort whilst minimizing heat loss
- 3-Strap compression stuffsack reduces overall pack weight without compromising on compressibility
- ISO 23537-1:2022 Certified - Extensively tested to meet industry standard temperature ratings
Specifications
| Collection | Trekking |
| Pack Size | L29 x ⌀20cm |
| Total Weight | 1.44 kg |
| Season | 4 Season |
| Comfort Temperature | 0°C |
| Limit Temperature | -6°C |
| Extreme Temperature | -20°C |
| Suggest use Temperature | -6°C to 15°C |
| Zip Side | Left |
| Shape | Left |
| Year | 2025 |
| Colour | Harissa |