【Water-Repellent Fabric (with Rain Cover)】This product uses water-repellent material that effectively blocks light rain and everyday splashes. *However, please note that the zippers are not waterproof. *Therefore, this product comes with a dedicated rain cover. It protects your important items inside the bag from getting wet even in heavy rain. 【Smart Storage for Comfortable Travel】Suitable size for a 1-2 day short trip. It has an independent PC pocket, side quick-access pockets, and external small item pockets, allowing you to efficiently store your essentials. The design minimizes excess space, making it easy to organize your luggage while traveling. 【Comfortable Carrying Design】The concave back structure and three-dimensional mesh fabric provide breathability. The wide S-shaped shoulder pads and sliding chest strap distribute the load, making it less tiring to carry for long periods. 【Functional Details Convenient for Outdoor Activities】Equipped with a trekking pole quick holder, reflective stitching, and D-rings, making it ideal for hiking and camping. Smooth double-opening zippers and reinforced stitching also improve durability. 【Lightweight and Sturdy】Despite its lightweight body of only 340g, it achieves durability with high-strength materials and an optimized structure. The adjustable straps on both sides allow you to freely change the capacity, making it comfortable to use in various situations, from commuting to short trips. Shipping is planned as a Takkyubin size 80, but this may change.