The Double Driver (ダブルドライバー) is Kamen Rider Double’s transformation belt, a second generation Memory Driver developed for the user to link with Philip to access his abilities, and the successor of the Lost Driver in terms of belt design. Unlike earlier models, the Double Driver uses two specialized Gaia Memories at once for even more power for the user. There is only one physical Double Driver, but when Shotaro places it on him, another Double Driver manifests itself onto Philip.
This release is the ver. 20th edition of the Lost Driver – a rereleased edition of the original DX toy to commemorate the end of the Heisei Kamen Rider period. This edition is bundled with the DX Cyclone, Joker, Heat, Metal, Luna and Trigger Gaia Memories.