NEW FOR 2010! The most versatile all terrain packs, the Approach 35 Backpack (Recycled) from Mountainsmith performs seamlessly on the trail or on that next big travel adventure. Its FAA carry-on size let's you go from airport to Andes with no repacking in-between. This unique top loading panel zip behaves like a classic ruck or switches easily to a gear inhaling travel bag. With up to 47L of carrying capacity, this bag bridges the gap between extended day pack and weekend warrior. Made with 450d ReDura, the Approach 35 utilizes 18 recycled 16-ounce plastic bottles. Save the planet, go backpacking!