3152 Synchro Task XL: Extra Room, Extra Ready Wish your task chair had just a little more wiggle room? Say hello to the 3152 Synchro Task XL—our wide seat wonder with two bonus inches of breathing space. Whether you’re stretching out, gearing up, or just like a little extra cushion, this chair’s got your back (and your seat). Built on the rock-solid foundation of the 3150 but with more room to roam, the 3152 is fully loaded with ergonomic must-haves—adjustable lumbar support, seat depth slider, back height control, and a smooth 2:1 recline ratio. With a 550-lb weight capacity and heavy-duty everything, this chair is ready to handle anything a 24/7 workplace throws its way. Standard Production Time - Ships in 4-6 Weeks. 24/7 Use Testing Rigorously tested to beyond the 24/7 test standards in both the US and the UK. FNEW 83-269E Test (surpasses the current 384 standard) ANSI/BIFMA X .5.1 Fire Testing – CA 112