The latest evolution of the RF DNA 12 Pack embodies the premium, classic style of Roger's collection with state-of-the-art design and functionality for tennis players. New features include a small hidden accessory compartment between the two main compartments for valuables. It also has a new and improved carrying system with padded ergonomic backpack straps that are easier on the shoulders. An adjustable gusset stops that improve the flexibility of the bag when opening. Federer fans can also appreciate Roger's legendary signature emblazoned on each side.