Protects your pack, improves visibility, and packs down to carry anywhere. Key benefits Reliable waterproofing: Made from waterproof polyester to keep your backpack and its contents dry during unexpected downpours. Ideal for protecting electronics, clothing, and documents when the weather turns. Enhanced safety at night: Wide reflective tape increases visibility in low light or night cycling, helping drivers and other cyclists see you from a distance. Ultralight and portable: Weighing just 40–60 g, the cover is simple to carry and quick to stow when not in use. What it does and why you need it Prevents water damage to the items inside your backpack so you can keep riding, hiking, or commuting without stopping to protect or transfer gear. Adds an active safety feature for lowlight travel without adding bulk or significant weight to your load. Packs away easily when conditions are clear, so you only carry extra weight when you need it. Compatibility and performance Constructed to cover backpacks during outdoor activities; suitable for cycling packs, day hiking packs, and commuter backpacks. Waterproof polyester offers solid protection against rain and splashes while remaining lightweight and durable. Wide reflective tape provides passive visibility improvements without batteries or electronics. Practical scenarios Night cycling commute: stay visible to traffic and keep your laptop or work clothes dry on rainy nights. Trail hiking with variable weather: deploy the cover quickly when a sudden storm arrives to protect food, clothing, and electronics. Urban commuting or travel: use on wet days to avoid soggy documents, books, or camera gear while keeping your load light. Simple to use, reliable in wet conditions, and designed for portability — a practical accessory for cyclists, hikers, and daily commuters who need dependable protection and improved visibility.