INOXTO Running Backpack, 5L Lightweight Hydration Pack, suitable for outdoor hiking, cycling competition, mountaineering hydration vest, backpack, men and women (Light green)

["Ergonomic and comfortable design: The backpack is made of 3D polyester mesh that maintains air circulation, keeping your back refreshed, preventing heat build-up and discomfort, and providing good chest airflow. The strap can be adjusted as needed.", "Lightweight design: This multifunctional hiking backpack vest is made of high-quality nylon material with soft fleece wraps to reduce friction on the body. It weighs about 140 grams and holds up to 5 liters. The chest pocket and water bladder compartment ensure you have enough water during outdoor sports.", "Multiple pockets and reflective stripes: The backpack features a night reflective stripe design that serves as a warning when training with a light source at night for your safety. The main compartment with double pockets can hold a water bladder and light clothing. The front pockets can accommodate 500ml soft water bottles or energy supplies, and the zipper pocket can hold a 6.6-inch mobile phone, allowing you to listen to music while jogging.", "Wide range of applications: This outdoor backpack has a unisex design, ideal for men and women, with reinforced and stable shoulder straps, compact structure, small size, low wind resistance, and easy to carry. Perfect for cycling, hiking, camping, traveling, trekking, mountaineering, racing, training, and many other outdoor sports.", "Inoxto Water and Backpack: We assure you that we are committed to providing you with exceptional products. If for any reason you are not satisfied with your product, please contact us and we will be happy to assist you. Inoxto Water and Backpack can be a gift for your best friend!"]