【Ergonomic And Comfortable Design】: The suspension and breathable backpack system is designed according to the body's back movement structure, which is comfortable and breathable to fit human muscles. Scientifically distribute the weight of the backpack evenly to the entire backpack, effectively alleviating the problems of muscle soreness caused by long-term weight bearing. 【High-Quality Material】: Water-repellent and tear-resistant polyester fabric, with good abrasion resistance and environmental protection, effectively blocking the penetration of water molecules, suitable for any outdoor environment. With a breathable mesh shoulder strap and a large number of sponge pads, it can quickly dissipate heat, breathe and comfort, and keep cool in summer. 【Perfect Capacity】: The storage space of our backpack is 40L. This capacity can not only help you store the essentials for traveling or climbing. And you won’t feel tired from being overweight. Let you focus on the journey. Intimate care, smooth curves, and elegant appearance will make you linger.