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The Naturehike U250S is the ultimate solution for those who value the comfort of their home bed even in the heart of the wilderness. This three-season sleeping bag is designed for hiking, camping, and fishing during the spring and autumn periods, providing reliable thermal insulation when temperatures drop toward the 0°C mark.
Key Features & Benefits
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Double Connection System: This model features a left-side zipper, allowing it to be easily zipped together with a corresponding "right-side" model. This is an ideal solution for couples wanting to create a single, spacious double sleeping area.
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Innovative Insulation: Filled with 250 g/m² hollow fiber that mimics the structure of down (feather cotton). This ensures excellent heat retention while remaining lightweight, breathable, and hypoallergenic.
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Weather Resistance: The outer shell is made of 190T Polyester with a specialized water-repellent coating, protecting the user from tent condensation or morning dew.
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2-in-1 Design: Thanks to the L-shaped zipper, the sleeping bag can be fully unfolded and used as a large, warm blanket for picnics or camper van travel.
Anatomical Comfort & Design
Every detail is engineered to minimize heat loss and maximize rest:
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Contoured Hood: Features an adjustable drawstring system to seal in warmth around the head and face.
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Draft Collar: An additional Velcro-secured neck baffle blocks cold air from entering through the top.
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Skin-Friendly Interior: The inner lining is crafted from 190T Pongee, which feels like soft cotton against the skin, prevents sticking, and manages moisture effectively.
Temperature Ratings
| Rating | Temperature | What it means |
| Comfort | 0°C (32°F) | Ideal temperature for a restful sleep without feeling the cold. |
| Limit | -3°C (26°F) | The threshold where a user in thermal layers can still sleep comfortably. |
| Extreme | -14°C (7°F) | Survival rating; intended for emergency use only (not recommended for sleep). |
Technical Specifications
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Type: Envelope-style with hood
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Seasonality: 3-Season (Spring, Summer, Autumn)
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Outer Material: 190T Water-resistant Polyester
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Inner Material: 190T Chunya Textile (Pongee)
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Insulation: 250 g/m² Hollow Fiber (Feather Cotton)
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Weight: 1.5 kg (3.3 lbs)
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Dimensions (Unfolded): (190 + 30) x 75 cm / approx. 86" x 29.5"
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Dimensions (Packed): 25 x 43 cm (can be further reduced with compression straps)