Gregory Discontinued the Z65 in 2016
The Gregory Z65 is one of our favorite packs for moving fast and light. It has the best comfort-to-weight ratio — it's not the lightest or the most comfortable but strikes a great balance between the two. It is ideal for climbers and backpackers who want to pack lighter but aren't ready for, or don't want, a truly ultra-light frame-less or minimalist frame pack. Its main competition is the Osprey Aether 60 that won our Best Buy award. The Aether is better for backpacking and traveling with heavier loads and the Z65 is better for climbing and ski mountaineering. Both are among the least expensive packs we tested and the best values. If you want the ultimate backpacking pack, especially if you carry bigger loads, get the Arc'teryx Bora AR 63, which won our Editors' Choice award.