Designed for outdoor enthusiasts who want steady hydration without slowing down, the ROCKBROS Lightweight Hydration Backpack keeps you moving with comfort and efficiency. This 17L pack blends lightweight convenience with practical storage for hiking, cycling, and climbing.

• Size & capacity: 17L main capacity with a built-in mesh helmet compartment and expandable elastic cord to secure mats or jackets, plus a rain cover for weather protection.
• Included hydration: 2L BPA-free TPU water bladder with a wide opening for quick refills and a leak-proof bite valve for effortless on-the-go sipping.
• Weight & durability: Backpack weighs ≈420g and is crafted from tear-resistant 100% nylon, delivering a rugged yet ultra-light carrying experience.
• Materials: Backpack fabric made of Nylon + Polyester; water bag constructed from TPU for reliable flexibility and hydration safety.
• Ergonomic comfort: Breathable honeycomb back panel with foam-padded shoulder straps; load is distributed across back, shoulders, chest, and waist to minimize fatigue.
• Weather protection: Includes a complimentary rain cover to shield your gear in sudden showers or misty conditions.
• Safety & visibility: Reflective details and a taillight loop (taillight not included) enhance visibility during dawn, dusk, or night rides.
• User-friendly design: Hose clips on shoulder straps keep the drinking tube accessible, while zippered waist pockets provide quick access to keys, snacks, or small essentials.
• Multi-scene versatility: Ideal for daily commuting, hiking, cycling, camping, and mountaineering—built to support a wide range of outdoor activities.

Whether you’re carving switchbacks on a trail, pedaling through countryside roads, or navigating urban commutes, this ROCKBROS hydration pack offers reliable hydration, organized storage, and a comfortable fit. The combination of a roomy 17L interior, 2L bladder, and breathable carrying system helps you stay focused on your activity, not your gear. Practical features like helmet storage, rain cover, reflective details, and easily reachable pockets make it a thoughtful choice for serious outdoor use.