The Prelight Shape 25 is the perfect backpack for climbing tours, summit hikes, and day hikes, featuring a slim profile and the Aeroshape Core carrying system. This carrying system ensures good ventilation while keeping the weight low. Additionally, the backpack offers practical features such as dual access to the main compartment, a lid, an integrated rain cover, and the option to use hydration systems. Other features include: Carrying system: Aeroshape Core, hip belt: padded with ventilation openings, dual access to the main compartment, internal rain cover, lid: securely attached, inner pocket: 1, hydration system attachment, and attachment loop.