Free Traveler Outdoor Backpack Travel Backpack Mountaineering Bag Hiking Bag Casual Backpack Men's and Women's 40L

[Features]: . More user-friendly design, using a carrying system
Double-layer waterproof material shoulder straps are designed with mesh and foam, which have good breathability. The mesh anti-slip material can prevent slipping during carrying. Phenomenon, it has the advantages of slowing down, light weight, breathable and comfortable. The carrying system is an adjustable and detachable carrying system. In addition to being able to be disassembled at will, it has a good fit and is more comfortable. The two shoulder straps can be adjusted at will according to your height. height
. Flexible and movable fitting shoulder straps. The new automatic fitting shoulder straps are combined with the ergonomic design to give the stress points on the shoulders and back a reasonable distribution. The shoulder straps can be moved left and right to flexibly adjust the shoulder width. Gives the same comfort to different shoulders and necks.
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Good waterproof and anti-slip performance. The double-layer mesh fabric can prevent light rain from penetrating and increase friction to effectively prevent slipping.

Easy to identify at night: Because the front of the bag is made of luminous fabric, it can effectively reflect hand flash light at night, making it easier for travelers to contact each other and identify each other, and increasing safety performance.
.High-density* Oxford cloth material ensures the wear resistance of the backpack.
.The composite 3 (sandwich breathable mesh) on the back allows the back to be ventilated and dry.
. More secure zippers: imported B zippers, which have undergone rigorous testing and experiments, can be zipped and closed more than 10,000 times, and prevent rust in rainy days.