The Fourteener 26L Hydration Backpack features a Crux 3L reservoir for hydration and ample storage. The Air Support Max back panel enhances airflow while reducing weight. It includes an adjustable sternum strap and hip belt for a secure fit, as well as trekking pole attachments and a front bungee system for organizing gear. Additional features include an essentials pocket with key clip, stretch side pockets for bottles, and reflective details for low-light visibility.