Centro Messenger Bag Vecchio Brown. Floto Centro Messenger Bag is made with full grain vegetable tanned calfskin leather and solid brass hardware. This leather was hand tanned Etruscan style in Santa Croce to soften, patina, and develop a silky touch. Only vegetable extracts and natural oils were used to create rich, vibrant color and a tender, semi-gloss finish. Centro is feature rich - the flap latches closed with our solid brass tuck lock, the wide crossbody strap adjusts to 54, the inside has two 7 x 7 gusset pockets, one 14 x 8 laptop sleeve pocket, two 13 x 6 zip pockets, 6 multi-function pockets, and 4 pen pockets. The back has an additional 14 x 6 zip pocket. The strap has cotton web backing that gives it grip and padding for cycle commuting.