Vintage leather duffel backpack for men, crafted from full grain calfskin leather in brown, this convertible leather backpack features with buckle details leather strap in front and at back, flat leather handles, comfortable shoulder strap and backpack straps, this duffel backpack can definitely meet your needs for stylishness and functions. CWMALLS® is the spokesman of science and technology sense, artistry, intelligence, mobility, ecologicalization and standardization!