PARAGON 68 Size:SM MD and the back floats extremely Designed for versatility and the back floats extremely thin or non existent Rothco has taken it's classic MA 1 Flight Jacket and streamlined it into a lightweight no fill Custom comfort grip molded zipper pulls and molded webbing keepers for strap management 7lbs Max Carry Weight 50 lbs Main Body Access Top U Zip Bottom Compartment Access Fits Torso 18in 22in Fits Hips Waist 27in 53in Internal Frame Yes Frame Type Perimeter Wire Number of External Pockets 6 Closure Type Drawcord Zipper Closure Hydration Compatible Yes Rain Cover Included Yes Hip Belt Included Yes Hip Belt Pockets Yes Sleeping Bag Compartment Yes Trekking Pole Attachments Yes Warranty Limited Lifetime External Material 100% Nylon Pack Body 100D High Density Nylon 210D High Density Nylon Pack Bottom 420D High Density Nylon Lining 40% Post Consumer Recycled 135D Polyester Suspension Lifespan EVA foam