The HÅG SoFi has a high backrest. HÅG inBalance technology ensures more subconscious movement. Adjustable seat height and depth, and lumbar support. Available with HÅG SlideBack armrests which allow you to move closer to your desk, invite you to sit sideways or use the armrests as elbow support. The height, width and forward position of the armrests can easily be adjusted. The optional headrest provides support and rest for your shoulders, neck and head.