Awesome pack backed by Osprey's lifetime replacement guarantee. -fully adjustable harness (including torso size) -hip belt pockets and large cranium pocket (and cranium cover height is adjustable) -separate sleeping bag (or dirty boots) compartment at bottom of pack -compression straps out the wazoo -loop for trekking poles -sleeve for water bladder -mess front and side pockets (side pockets have access from top and sides to allow access while the pack is still on your back)