**Product Specifications:**
**Brand:** CAMEL
**Usage:** Outdoor, long-distance travel, hiking
**Type:** Multi-functional backpack
**Capacity:** 30L/40L/50L
**Features:**
- High-capacity design for long-term travel needs
- Lightweight and breathable for comfort
- Suitable for various scenarios such as daily leisure, short trips, and outdoor activities
- New arched bridge suspension system for back support
- Comprehensive external attachment system for additional gear
- Integrated shoulder and waist belt structure for even weight distribution
- Water-resistant fabric with rain cover for protection
**Design:** Stylish and versatile, suitable for multiple scenarios
**Color Options:** Dark Green, Black Gray, Gray Blue, Snow Flame Ash, Flame Red, Gray
**Product Dimensions:** 49cm x 31cm x 20cm
**Model:** Lightweight Travel Backpack/Outdoor Hiking Pack
**Material:** Polyester
**Capacity:** 40L
**Weight:** 1250g
**Waist Belt Size:** 97cm
**Shoulder Strap Size:** 49cm x 31cm x 20cm
**Suitable for:** Outdoor enthusiasts, casual wear, travel, hiking, sun protection
**Washing Instructions:** Hand wash, do not bleach, hang dry, do not iron, do not dry clean
**Activities:** Mountaineering, cycling, hiking, running, travel, trekking
**Performance Table:**
- Waist Belt Pressure Relief System: Yes
- Arched Bridge Back Support: Yes
- Suspension System: Yes
- Rain Cover: Yes
- Backpack Weight: 1250g
**Details:**
- Breathable mesh for sweat absorption
- High-strength handle for durability
- Two-way zipper for convenience
- Water pipe guide for easy hydration
- Built-in survival whistle for safety
- Bottom rain cover for protection
*Note: Due to different production batches, there may be slight variations in product details. Quality is guaranteed across all four types mentioned.*