Shop Men's Bags Vertical Messenger Bag I've found some cool men's bags at Guess today! And my favorite is the Vertical Messenger Bag. A messenger bag is essential for an on-the-go lifestyle. Spacious and organized, this sleek design delivers effortlessly cool style and fuss-free function. No wonder Guess is one of the leading fashion brand nowadays. Their products are superb! Check out their collection and shop for men's bags today!