WaterResistant, Lightweight Hydration Pack for Outdoor Activities Stay prepared and comfortable during any adventure with this waterresistant polyester running hydration pack. Designed for runners, hikers, cyclists, and outdoor enthusiasts, it delivers lightweight performance and reliable hydration with features tailored for active lifestyles. Key Features and Benefits: Durable waterresistant polyester construction to protect your gear in light rain and splashes Compact size: 16.1 × 11.4 × 3.9 inches, weight: only 11.64 oz for effortless carrying Adjustable chest strap fits a variety of body types securely and comfortably Breathable mesh back panel helps maintain airflow and keeps you cool during extended use Ventilated mesh shoulder straps for comfortable wear and reduced perspiration Double shoulder strap design with two water outlets for flexible drinking options Tube clip included for neat and convenient management of hydration tube Hydration System: Includes a 2L BPA hydration bladder for clean and safe drinking water Leakproof bite valve for easy drinking without spills Wide bladder opening for simple refilling and addition of small ice cubes to keep your drink cool all day Storage and Carrying Capacity: Total capacity: 12L while maintaining ultralight weight Main back compartment fits the included 2L bladder, clothing, bike helmet, and other essentials Integrated trekking pole attachment points for convenience on hiking trails Bottom pocket includes a helmet net cover to securely attach a bicycle helmet during rides Practical Applications: 1. Trail Running – Stay hydrated without slowing down, with lightweight comfort and stable fit during fast movements 2. Cycling – Use the helmet net cover to carry headgear when not in use, while keeping water easily accessible on long distances 3. Hiking – Pack snacks, clothing layers, and trekking poles while carrying enough water for a full day outdoors This hydration pack combines breathable comfort, efficient hydration delivery, and versatile storage in one compact, lightweight design—making it an ideal companion for allday outdoor activities.