We designed the Ascensionist 55L pack with enough room to comfortably carry everything you need for an extended stay in the mountains, including climbing with you through every move of your multi-day route. Working directly in the field with our team of climbing ambassadors, we created the Ascensionist's lean, dynamic shape, which carries loads close to your core for climbing precision and support. The clean, stay-out-of-the-way design starts with lightweight yet durable 100% recycled nylon ripstop fabric with a 100% recycled polyester lining, a polyurethane coating and a DWR (durable water repellent) finish for durability and weather protection. Dual aluminum stays offer lightweight support for even the heaviest loads and provide stability...