This is the "Vento 35" backpack for本格登山 (serious mountain climbing) from the German outdoor brand, **TATONKA**. The main feature is the back structure that employs the unique "X Vent System." The mesh panel creates space between the back and the pack, providing excellent breathability and minimizing back sweat even during long hikes. This 35L size is perfect for day hikes, overnight stays in mountain huts, and also for camping and festivals where you need to carry a lot of gear. 【Main Specifications】 • Brand: TATONKA • Model Name: Vento 35 • Capacity: 35L • Color: Black x Orange • Back System: X Vent System (high-breathability structure with mesh panel) • Features: • Zipper pocket on the top lid (rain cover) • Removable waist belt (hip pads) • Chest strap included • Side compression straps 【Condition】 • Stickiness (hydrolysis) inside. It has been removed as much as possible, but some remains. • Usage History: "Purchased several decades ago and used twice for mountain climbing." • There are no noticeable scratches or tears on the exterior, and it is generally in good condition. • There is no damage to the buckles or stiffness in the zippers. • The mesh and cushioning on the back are also in good condition. ※ Please check the photos for details. 【Shipping】 • Shipping included, will be sent via Mercari anonymous delivery. • Will be packed as compactly as possible for shipping.