• 【Night Visibility Safety Design】Enhanced reflective fabric on front and back surfaces with reflective tape on straps ensures maximum visibility during nighttime running and cycling activities.
• 【Ergonomic Breathable System】3D mesh back panel with air circulation channels and breathable mesh shoulder straps provide superior ventilation and sweat management during intense activities.
• 【Hydration Compatible】Built-in water bag pipe fixing point supports standard hydration bladder systems, perfect for hands-free drinking during outdoor adventures.
• 【Multi-Layer Storage Design】Organized compartment system includes main compartment, front pocket, mesh side bags, and bottom pocket for efficient gear organization and quick access.
• 【Lightweight Portable Construction】Ultra-lightweight design with foldable structure makes it ideal for travel and daily commuting without adding bulk.
• 【Adjustable Comfort System】Features adjustable chest strap and ergonomic waist band for enhanced stability and weight distribution during dynamic activities.

Specifications:

• Dimensions: 45 x 25 x 5 cm (17.71 x 9.84 x 1.97 inches)
• Weight: 340g
• Material: High-density polyester main fabric with water-resistant coating