The Thule Arcos is a newcomer to the rear cargo rack market, and while its box style isn’t unique, there aren’t a ton of other options, especially with a trustworthy name like Thule behind it.

Thule Vector M Cargo Box Size: 83.5 x 34.5 x 14 inches (external) | Weight: 59.3 pounds | Capacity: 13 cubic-foot | Access: Dual | Load capacity: 165 pounds ...