A dependable choice for fitness enthusiasts, this running chest pack provides multiple pockets to organize your gear, such as smartphones, business cards, and tissue. Waterproof material protects belongings during hiking, travel, or trail adventures. The adjustable fit makes it suitable for workouts, gym trainings, and urban exploration while carrying items like water bottles and keys. Specifications: Product name: sports reflective backpack Product size: Belt size: about 60-120cm/23.62-47.24 inches (adjustable) Packaging size: about 25x20x2.5cm/9.84x7.87x0.98 inches Material: neoprene Color: black Packing List: 1 pieces * running chest pack Note: Due to different lighting and screen settings, the item color may be slightly different from the picture. Due to different manual measurements, please allow a 1-2cm difference in size. Functional Storage Design: Designed for trail running and hiking, with a functional, flexible design suitable for multiple sports, storing phone and must-haves conveniently, improving outdoor performance Breathable Stability System: Great for any run length, this chest pack delivers a bounce-free experience through adjustable straps and breathable comfort materials, providing lasting ease during high-intensity activities Multiple Compartments Design: Central compartment accommodates larger goods, front zippered sections handle tiny tools, plus an elastic mesh side holder keeps your water bottle within arm's reach Water-Proof Storage: Crafted with high-strength fabric, this running chest pack provides waterproof and weather-resistant performance, protecting contents from sweat, rain, and water for long-lasting outdoor use while keeping items dry and secure during runs Nighttime Workout Security: Reflective safety strips provide improved night visibility and improved workout security, catering to runners who prioritize morning and nighttime safety by boosting their presence in low-light running conditions