Quality Ergonomic Chairs

Mirra is an innovative blend of passive and active adjustments that provides a new reference point in performance, aesthetics, and value. Mirra automatically shapes itself to each user, while a few simple adjustments fine-tune the fit and feel. The chair's next-generation innovations, including the upholstered backrest, all work together in a fresh-looking chair that's easy to use. Learn more about the Mirra Loaded Chair below: WHY BUY FROM US? | FEATURES | DIMENSIONS DESIGN | AWARDS | WARRANTY WHY BUY FROM US? - -CSN Stores offers same-day shipping on orders placed before 2 PM EST Monday-Friday, and all orders usually ship within 24 hours and feature a free 3-day shipping upgrade! -CSN Stores stands behind our 100% Price-match Guarantee on all Herman Miller chairs -CSN Stores backs a 12-year manufacturer warranty - if you have any problem with your Aeron chair, Herman Miller will cover the cost of fixing it -With CSN Stores, you'll never pay sales tax*! * Except in Massachusetts Back to top FEATURES -Passive PostureFit camber shape at the base of the back gives healthful, comfortable support to the lower back below the beltline -Harmonic tilt creates pivot points at the hip, knee, and ankle -AireWeave suspension follows the contours of the body and provides aeration -Adjustable arms and tilt limiter -FlexFront fully adjustable seat depth -TriFlex polymer back support with fully adjustable lumbar support -Foam-free upholstered seat -5-star base with your choice of standard carpet casters, hard floor casters, or deep carpet casters -Weight capacity is tested as approximately 300 pounds -Minimal assembly required -Formerly known as part number MR122AAMAJ Harmonic Tilt -Pivot points are user's hip, knee, and ankles for easy, natural movement and control -Backrest and seat move in proper relation for correct support in all positions -Advanced spring technology allows for equal support throughout the wide, 26 degree tilt range TriFlex -Pliable, elastic material supports the user's entire back -No adjustments necessary - geometric design creates three flex zones that conform to anyone's size, posture, and movement -Camber contour at base forms a passive PostureFit support and helps maintain proper spinal alignment -Breathable construction allows heat to escape and keeps sitters cool Casters -Three different caster options can accommodate any style of flooring: -Standard casters - work well on most low pile office carpets (wheels 2 ?" diameter) -Deep-carpet casters - loose design and larger size (3" diameter) help the user avoid