【Spring Camping】It's still cold at night! What makes the “Envelope Type Sleeping Bag” so comfortable to sleep in like a futon?<br>

While sleeping bags have the pleasantness of wrapping around the body, they can restrict movement. The Bears Rock Envelope Type Sleeping Bag "-15℃ King Size FX-403K" breaks this "common sense." What is the sleeping comfort that feels like a futon?<br>

The way the insulation expands changes according to body size

Sleeping bags are essential gear for camping, but honestly, it’s a bit cramped... I can’t be the only one who thinks so. To achieve a good night's sleep outdoors, it's not about space, but rather the balance of being able to move freely and a fit that clings to the body.

That’s why Bears Rock sleeping bags are developed with a focus on the elasticity and recoverability of the insulation. If it’s too soft, it can feel like bottoming out, and if it’s too hard, gaps will form. By targeting a subtle intermediate layer, they create a natural distinction between sinking areas and air-layer areas.

As a result, there is enough room inside to turn over while also hugging the body gently, achieving a comforting feeling of being wrapped softly.

The way the insulation expands according to the user’s body size is also a reason for the "comfort of sleep." For larger individuals, the insulation expands horizontally and vertically to reduce a feeling of pressure, while for smaller individuals, it gently conforms to the body for an ideal fit. By changing shape to match body types, anyone can enjoy balanced, comfortable sleep.

Thanks to the unique BR Warm feature, it offers exceptional comfort and insulation. The surface is fluffy and soft, and the 3D hollow synthetic fibers in the insulation hold plenty of warm air, allowing you to sleep snugly even on chilly nights. The inner fabric uses moisture-absorbing polyester that makes you feel warmth from the moment you touch it. It quickly absorbs sweat to prevent dampness, keeping a comfortable, dry touch throughout the night.

Additionally, the insulation is made from a material that is water-friendly and resistant to deformation, making it easy to wash completely at home. It dries quickly and is easy to keep clean, allowing for long-term use without worrying about mold or insects.

Newly added is a two-tone color combination of navy and beige. By layering a deep navy with soft beige, it adds a lightness to the calm impression. Why not get a comfortable night's sleep this spring camping with the “Envelope Sleeping Bag -15℃ King Size FX-403K”?

Product Name / Envelope Type Sleeping Bag -15℃ King Size FX-403K
Price / 9700 yen
Size / When expanded approximately 230×90cm, When stored approximately 40×32cm
Fabric / Surface 300T Polyester, Inner fabric Moisture-absorbing Soft Polyester, Filling BR Warm 3D Hollow Synthetic Fibers
Weight / Approximately 2.30kg
Applicable Season / 4 Seasons (Spring, Summer, Autumn, Winter)
Applicable Temperature / 28℃～0℃～-15℃
(Comfortable Sleep Temperature Range / 28℃～0℃ Usable Temperature Range 0℃～-15℃

●Bears Rock

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