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The Woqi High Quality Envelop Shape Warm and Soft Silk Sleeping Bag Liner is designed for unisex adult users seeking comfort and portability for outdoor activities like camping, hiking, and travel. Crafted from a blend of polyester and cotton, this 3-season liner offers softness, warmth, and durability, with versatile length options (standard, super long) to suit different needs. Its envelope-style design ensures ease of use, while its lightweight and compact packing make it ideal for space-conscious adventures.
| Feature | Specification | Application Scenario |
|---|---|---|
| Material Composition | 70% polyester, 30% cotton | Balances breathability and durability for 3-season use |
| Insulation Type | Cotton filling | Maintains warmth in temperatures from 10°C to 25°C |
| Design | Envelope shape with full-zip access | Easy entry/exit in tight spaces (e.g., tents or hammocks) |
| Length Options | Standard, Super Long, Lengthened | Accommodates body sizes from 5'4" to 6'3" |
| Packaging | Compact compression bag | Reduces storage space by 40% compared to traditional liners |
Adjustable length parameters (standard, super long, or lengthened) allow customization to fit body size. The polyester-cotton blend can be optimized for specific use cases:
With its envelope design and breathable fabric, this liner is perfect for backpackers needing quick setup and teardown. The super-long option ensures comfort for taller users during multi-day hikes, while the water-resistant polyester exterior protects against unexpected rain.
| Parameter | Base Model | Advanced Model | Pro Model |
|---|---|---|---|
| Insulation Efficiency | 10°C to 20°C | +15% (up to 23°C) | +30% (up to 28°C)* |
| Weight | 350g | 320g (10% lighter) | 280g (20% lighter) |
| Length Options | Standard only | Standard + Super Long | All 3 lengths |
| Durability Rating | 5,000 flex cycles | 7,500 flex cycles | 10,000 flex cycles |
Three Technical Breakthroughs:
Optimal Version Selection:
Example: With the Pro Model’s 28°C insulation threshold, you can comfortably camp in early autumn without additional gear. Its 20% lighter weight vs. competitors ensures ease of transport while maintaining premium performance.
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