Product Overview: Designed for performance and comfort across multiple seasons, the Summit Trekker Mummy Sleeping Bag in Grey is the ideal sleeping companion for outdoor enthusiasts. Whether you’re embarking on a spring hike, a summer camping adventure, or a chilly autumn expedition, this sleeping bag offers reliable insulation, comfort, and portability in a lightweight, compact design.
With its thermal hollow fibre filling and soft-touch inner lining, the Summit Trekker ensures warmth and coziness while maintaining breathability. Its mummy-style cut enhances heat retention while minimizing pack size, making it a smart choice for backpackers, trekkers, and campers who prioritize functionality and packability.
Multi-Season Versatility: Designed for use in spring, summer, and autumn, the Summit Trekker Mummy Sleeping Bag provides reliable thermal insulation to keep you comfortable in a wide range of temperatures—from warmer nights to cooler early mornings.
High-Performance Insulation: Filled with 150gsm hollow fibre insulation, this bag retains body heat while allowing for breathable comfort. The fill material offers an excellent warmth-to-weight ratio, making it suitable for lightweight camping and trekking adventures.
Soft Comfort Lining: The inner lining features a soft comfort polyester material that enhances your sleeping experience by providing a smooth and cozy surface against your skin, helping ensure restful sleep in the outdoors.
Durable Outer Fabric: Constructed with 170T polyester, the outer shell resists wear, tear, and light moisture, helping to shield you from the elements while maintaining durability across multiple uses.
Mummy-Style Shape: The ergonomic mummy design helps trap body heat more efficiently than rectangular sleeping bags, reducing excess space and improving thermal performance. It also contributes to a smaller packed size for enhanced portability.
Temperature Ratings: Offers defined thermal zones:
Upper Limit (20°C): Suitable for warmer nights with ventilation.
Comfort (12°C): Ideal temperature for relaxed sleep in typical spring/summer conditions.
Lower Limit (2°C): Offers protection during cooler temperatures with proper layering.
Lightweight and Portable: Weighing just 900g, the Summit Trekker is easy to carry in a backpack or travel kit, making it ideal for hikers and campers who travel light and need gear that won’t weigh them down.
Usage Tips
Layer Appropriately for Cooler Nights: For lower temperature conditions near the 2°C mark, wear thermal base layers or use an insulated sleeping mat to enhance warmth and comfort.
Store Loosely When Not in Use: To maintain loft and insulation efficiency, store the sleeping bag uncompressed when not in use.
Use a Liner for Extended Life: A sleeping bag liner can help keep the interior clean and increase warmth, extending the usable life of the product.
Ideal For
Backpackers seeking a lightweight yet warm sleeping option
Campers on spring to autumn trips
Festival-goers who need compact gear with comfort
Outdoor adventurers traveling in mild to cool climates
Customer Reviews
Emma L. – Verified Buyer “Lightweight and warm—exactly what I needed for my spring hiking trip. Packs down small and fits easily in my rucksack. Great value!”
James T. – Outdoor Enthusiast “Used this sleeping bag during a chilly September weekend in the Peak District and stayed perfectly warm. Comfortable and easy to roll up!”
Chloe R. – Camping Lover “Very impressed with how soft the inside is. Great for summer festivals or even casual sleepovers. Would definitely recommend it.”
Conclusion
The Summit Trekker Mummy Sleeping Bag – Grey strikes the perfect balance between warmth, weight, and compact portability. Built for multi-season use with a thoughtful design that maximizes insulation and comfort, this sleeping bag is a smart, reliable choice for campers, hikers, and outdoor explorers. Whether you’re out for a weekend adventure or a multi-day trek, rest easy with the Summit Trekker by your side.
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