B&H Photo Video offers the Manfrotto Pro Shoulder Bag 40 in Black, model no. MP-SB-40BB, for $39.88 with free shipping. That's the lowest total price we could find by $20. It measures approximately 17" x 12" x 12" and features a capacity for up to a 13" laptop, front pouch with organizer, side zippered slip pocket, expandable zippered side pouch, open slip pocket, back zippered pocket, and removable shoulder and hand strap.