Ascensionist Pack 55 l by Patagonia is a capacious and functional climbing and mountaineering backpack, designed in every detail. The backpack is designed to face long approaches and to accompany you on expeditions where lightness and resistance are key elements. Ascensionist Pack has a capacity of 55 liters and is structured with a double aluminum support for heavier loads but without hindering the flexibility of the backpack. The structure has various removable elements (flap, aluminum supports and ventral belt padding) designed to allow you to customize its use according to the final objective. The backpack is made of ripstop nylon characterized by DWR treatment for long-lasting water repellency. The exterior of the backpack offers the possibility of hanging ice axes and is equipped with two rows of daisy chains designed to increase the load capacity; the upper part has a recovery ring which is also convenient for transport. The large upper opening helps to facilitate the loading and removal of the removable parts, while the drawstring closure makes it extremely practical and safe. The internal storage pocket holds small essential items making them easily accessible. Patagonia Ascensionist Pack 55 l climbing and mountaineering backpack