For week long backpacking trips or your next mountaineering venture the Arcteryx Briza 75 Backpack for Women was designed specifically for the adventurous female with an expedition size load to carry. With interchangeable thermoformed shoulder straps and pivoting waistbelt shaped for your unique contours you can get a customized fit that will provide distinctive on-trail comfort even when carrying a profound load. Arcteryx built the Briza 75 for the long-haul using only the toughest materials for durability and strength and while their backpacks may be a bit heavier that some ultralight bags on the market you will be more comfortable carrying a heavy load with the support suspension and load transfer of an Arcteryx Briza pack.