CASUAL-SPORT
The lumbar cushion can be fastened to any CASUAL-SPORT model using the belt slots in the backrest.
PRO-GAMING & OFFICE
The lumbar cushion can only be fastened to the DOMINATOR models. For the other models the cushion can optionally be placed loosely in the back area when needed.
OFFICE-COMFORT
The OFFICE-COMFORT models do not come with an additional lumbar cushion because of the built-in lumbar support.
XL-SERIES
The provided lumbar cushion cannot be fastened but be placed loosely in the back area when needed.