From the Dr. Martens site: Our new tech-heavy messenger bag is built from 65% recycled cotton coated canvas – lightweight, durable and ideal for everyday wear. Fitted with matching leather flaps and handles, chrome hardware, it comes with Dr. Martens lettering and heel loop zip pull to cement their DM’s heritage. The messenger bag has zip pockets and an internal laptop compartment to house daily essentials. Measurements are 14"x11"x4". Hardwearing and famously tough, our Smooth leather can be polished to shine or scuffed-up Kiev is a hardwearing, rigid leather with a smooth surface and slight sheen MATERIAL Smooth & Kiev - hardwearing and famously tough Smooth leather paired with Kiev, a rigid leather with smooth surface and slight sheen.