WATERPROOF SHOULDER BAG FOR MENMinimalist and simple design Waterproof and anti theft, large capacity chest bag Anti theft Sling Backpack, Water Resistant Shoulder Chest Crossbody Sling Bag with USB Charging Port MAIN FEATURES: ADVANCED MATERIALS: Sling Bag is made of high density oxford fabric, waterproof and wear resistant. Breathable and decompression carrying system, heat dissipation, ventilation, shock absorption. It's more comfortable carrying a heavy load, relieves the