Mountain Warehouse Thermal Mummy Sleeping Bag Liner

The Mountain Warehouse Thermal Mummy Sleeping Bag Liner adds an extra layer of warmth to any sleeping bag — ideal for camping in cold conditions, hostelling, or as a standalone sleep sheet in warm climates. The thermal insulation makes your existing sleeping bag warmer without bulk or weight.

• Thermal mummy-shaped sleeping bag liner
• Adds approximately 5°C warmth to any sleeping bag
• Mummy shape follows the body for efficient heat retention
• Machine washable; lightweight and packable
• Brand new, sealed

Mountain Warehouse is the UK's largest outdoor retailer, providing performance outdoor equipment and clothing at accessible prices since 1997. Their technical gear is field-tested and genuinely suitable for the conditions it describes.