The Diffrient World Chair marks Humanscale's first foray into all-mesh task seating.  The tri-panel backrest hugs the body to provide tailor-made lumbar support, while its mesh seat eliminates contact stress under the thighs. But the World’s major innovation is its mechanism-free recline action, which leverages two parts of the chair's frame and the laws of physics to provide automatic, balanced support throughout the full range of recline.