Vango Mantis 400 Sleeping Bag

The Vango Mantis 400 is a lightweight 4-season mummy sleeping bag built around Vango's ThermX insulation system, combining targeted insulation placement, Thermal Reverb aluminised layers and Thermal Embrace elasticated lining to maximise warmth retention while keeping pack weight low. Rated to a limit of -6°C and extreme of -20°C, it suits cold-weather camping, trekking and expedition use where thermal performance and packability both matter. It sits above the Mantis 300 in the range, offering a meaningful step up in cold-weather capability for users regularly camping in winter or sub-zero conditions.

Key Features

• ThermX Insulation Design - Proprietary construction targets warmth where it is needed most for an improved warmth-to-weight ratio
• Thermal Reverb Technology - Aluminised fabric layers reflect body heat back towards the user to improve warmth retention
• Thermal Embrace Lining - Elasticated lining gently contours closer to the body to reduce cold spots without restricting movement
• Lightweight 4 Season Performance - Designed for cold-weather camping and expedition use with a low overall pack weight
• Recycled Ripstop Shell Fabric - Durable 40D Polair Eco recycled nylon shell is lightweight, breathable and water resistant
• Soft-Touch Ripstop Lining - Tear-resistant recycled nylon lining improves comfort and compressibility
• Ergonomic Omega Shaping - Tailored mummy profile improves thermal efficiency around the head and shoulders
• Adjustable Shoulder Baffle - Insulated ergonomic baffle helps retain warmth inside the sleeping bag
• 2 Panel 3D Hood - Shaped hood design minimises heat loss from the head during cold nights
• Full-Length Two-Way Auto-Lock Zip - Adjustable ventilation with anti-snag zip guard and insulated baffle
• Redesigned Ergonomic Footbox - Improves comfort and freedom of movement while reducing heat loss
• Internal Storage Pocket - Convenient storage for small essentials and valuables
• Compression Stuff Sack Included - 3-strap compression sack reduces pack size for transport and storage
• ISO 23537-1:2022 Certified - Certified to current industry temperature testing standards

Ideal For

• Winter Camping - Designed for reliable warmth during cold-weather camping trips and exposed overnight stays
• Trekking and Backpacking - Lightweight compressible design suitable for multi-day outdoor travel
• Expedition Use - Advanced thermal performance for demanding outdoor environments
• 4 Season Outdoor Use - Suitable for year-round camping in varied weather conditions
• Wild Camping - Compact and packable sleeping solution for remote overnight adventures

Technical Specifications