Carry your daily essentials in a classic backpack with the Hard Graft Old School Leather Backpack. Even though most of us carry around technology these days, it doesn’t mean we have to use a techy bag. With the Old School, you can enjoy the timeless appeal of a classic school backpack that combines high-tech fabric with functionality. Featuring a narrow format, the Old School backpack measures 11 x 18 x 4 inches.