harayaa Outdoor Vest Pack Backpack with 0.5 L Water Bottle Daypack for Men and Women Black.Designed with reflective strips on both the front and back, this backpack enhances visibility during night runs or cycling, providing an extra layer of security in low light conditionsMade from water resistant nylon material, this backpack is designed to withstand light rain and splashes, keeping your belongings dry while you focus on your outdoor pursuitsThe double buckle system ensures the backpack stays securely in place, offering stability and comfort whether you're running, hiking, or cyclingEquipped with a large back pocket, this vest bag provides ample space for carrying additional essentials like snacks, maps, or small gear items needed for your adventureThis lightweight sports backpack features a compartment for water bottle up to 500ml and a phone storage pocket that accommodates devices 7 inches, ensuring stay hydrated and connected during your outdoor activitiesHydration Vest Pack Lightweight Running Gear Men. Running Backpack Breathable Runner Rucksack Women. Adjustable Daypack Breathable Reflective. Outdoor Vest Pack Backpack 0.5 L Water Bottle. Hiking Vest Hydration Pack 500ml Water Bottle.