SunTherm™ M400 Synthetic Sleeping Bag 34°F / 1°C

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Experience   comfort   and   convenience   with the   M Series Washable Cotton Sleeping Bag   by Naturehike. Designed for outdoor enthusiasts and home use alike, this sleeping bag combines   soft, breathable fabrics   with   high-quality synthetic cotton filling   to ensure a cozy and restful sleep. The   fully openable design   allows it to be used as a blanket for added versatility, while the   washable construction   makes it easy to clean and maintain. Whether you're camping, traveling, or enjoying a night indoors, the M Series Sleeping Bag is your perfect companion for all seasons.
Key Features:
Washable & Durable : Made with   210T polyester pongee fabric   and   washable synthetic cotton filling , it’s easy to clean and maintains its softness even after repeated washing.
Breathable & Comfortable : The   soft, skin-friendly lining   and   breathable fabric   ensure a comfortable sleep, while the   synthetic cotton filling   provides excellent warmth and moisture resistance.
Versatile Design : Can be   fully opened   and used as a blanket for added comfort during warmer nights or zipped into a traditional sleeping bag for cooler conditions.
Spliceable for Double Use : Features   side zippers   that allow two sleeping bags to be joined together, creating a spacious double sleeping bag for couples or families.
Compact & Portable : Packs down to a compact size ( ф20×43cm to ф28×45cm ), making it easy to carry and store for outdoor adventures.
Product Specifications:
Feature
M180
M300
M400
Fill Material
180g/m² Synthetic Cotton
300g/m² Synthetic Cotton
400g/m² Synthetic Cotton
Dimensions (Open)
(190+30) × 80 cm
(190+30) × 80 cm
(190+30) × 80 cm
Packed Size
ф20 × 43 cm
ф25 × 43 cm
ф28 × 45 cm
Weight
~1.2 kg
~1.5 kg
~1.85 kg
Fabric
210T Polyester Pongee
210T Polyester Pongee
210T Polyester Pongee
Lining
Washable Polyester
Washable Polyester
Washable Polyester
Colors
Pine Green, Rock Gray
Pine Green, Rock Gray
Pine Green, Rock Gray
Why Choose the M Series Sleeping Bag?
All-Season Comfort : Suitable for 3-4 seasons, providing warmth in cool weather and breathability in warmer conditions.
Easy to Clean :   Machine washable   (gentle cycle) for hassle-free maintenance and long-lasting freshness.
Versatile & Functional : The   fully openable design   and   spliceable zippers   make it adaptable for various uses, from solo camping to family trips.
Durable & Portable : High-quality materials and compact storage ensure durability and ease of transport.
The   M Series Washable Cotton Sleeping Bag   is the ultimate choice for those who value   comfort ,   versatility , and   ease of care . Whether you're exploring the outdoors or enjoying a cozy night at home, this sleeping bag ensures a warm and comfortable sleep experience.

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