Key benefits Enhanced safety in low light: Reflective strips increase visibility during night activities or dawn and dusk workouts. Weather and wear protection: Made from waterrepellent Oxford fabric, designed to resist wear and keep contents protected from light rain and splashes. Comfortable, breathable support: Back panel features a meshfilled elastic sponge that provides comfortable support, improves air flow, and helps manage perspiration. Lightweight and practical: Compact, lightweight design well suited for runners, cyclists, skiers, and other outdoor enthusiasts. Convenient helmet storage: A bottom net pocket allows easy storage of a bicycle helmet; the net pocket retracts when not in use to reduce bulk. Hydration ready: Built as a hydration backpack suitable for outdoor activities such as cycling, walking, jogging, night running, mountaineering, adventure, and marathon training. Key features Reflective strips for night visibility Waterrepellent Oxford fabric for durability and weather protection Durable, wearresistant construction Back panel with meshfilled elastic sponge for comfort and breathability Lightweight, compact design Bottom retractable net pocket for helmet storage Hydration backpack compatible Recommended use scenarios Night cycling or night running on urban or trail routes Day hikes or mountaineering, where reliable protection and comfort are important Daily cycling commutes, jogging sessions, or weekend outdoor training Materials and construction Exterior: waterrepellent Oxford fabric Back panel: meshfilled elastic sponge for support and ventilation