2L Hydration Pack

Durable and durable, made of tear resistant polyester fiber fabric, waterproof and lightweight. Breathable shoulder straps and back provide good breathability and comfort. Reflective strips greatly improve visibility and safety at night. Adjustable chest strap and waist belt, comfortable fit; Bring a whistle in case of emergency. Elastic bungee cords help store raincoats, cycling shirts, etc., and also have D-rings for hanging small objects. Equipped with a 2L water tank, it keeps you hydrated all day long. It is the perfect backpack for cycling, camping, hiking, traveling, and other outdoor activities,Customized is available