The Mountain Hardwear Direttissima 50 Pack is a technical alpine backpack designed for fast and light climbing and mountaineering. It features a durable and lightweight construction with a ripstop nylon fabric, and has a capacity of 50 liters. The pack has an adjustable and removable suspension system that allows for a comfortable and customizable fit, and a variety of pockets and attachment points for gear storage and organization. It also has a hydration sleeve and a ice axe/trekking pole attachment. The Direttissima 50 is a reliable and efficient pack for alpine climbing and fast-paced adventures.