• 【Lightweight Design】Weighs only 0.47kg, lighter than a water bottle, providing comfortable carrying for extended outdoor activities without burden.
• 【Honeycomb Breathable Back Panel】Hexagonal mesh grid design with circulation heat dissipation and sweat drainage, preventing stuffiness during long cycling sessions.
• 【Large Capacity Storage】18L space with layered compartments easily accommodates clothing, water bottles, and camping gear.
• 【Built-in Hydration System】Independent water bladder compartment with top water outlet port for convenient hydration during activities.
• 【Stable Fit Structure】Adjustable chest and waist straps with unified shoulder and waist belt system ensures stable load distribution on uphill terrain without shifting.

Specifications:

• Material: Water-Repellent Nylon
• Capacity: 18L
• Product Size: 45 x 25 x 10cm
• Product Weight: 0.47kg
• Back Support System: 3D Hollow Back Panel
• Water Resistance: Water-Repellent
• Suitable Sports: Hiking, Cycling
• Model: A1391