Mix-It Mesh Back with Synchronous Tilt

(You save $455.00 )
Ships in 7-10 Business Days

Choose Options

The Mix-It has a breathable mesh back works to keep you cool and supported throughout your day. It features synchronous tilt control and adjustable arms that customize to each individual needs and is great for any task intensive application. See the fabric selector above for fabrics and vinyls. Ships FREE in 7-10 business days!  *Ships free to commercial addresses with loading dock, otherwise fees apply. Does NOT ship to a residential address.


  • Recycled plastic inner seat shell designed with a deep ribbing pattern to ensure rigidity
  • Seats feature 2.5" of custom molded controlled density polyurethane foam for consistency and good contoured support on all models
  • Injection molded inner and outer shell
  • Back features .25" of high grade polyurethane foam on outside edge for support and comfort
  • 100% polyester mesh back
  • Arms attached to the seat with metal brackets and screws; encased uprights are made of reinforced nylon
  • Adjusts 8 positions in height within a 4" range, 5 positions in width and a 4" range for optimum comfort
  • Black, five-prong fiberglass reinforced nylon base; tested to BIFMA standards using 2500 lbs. of force 
  • Hard, double wheel casters, soft, double wheel casters optional 

Mechanism - Synchronous Tilt 

  • Synchronous tilt control allows the back and seat to move in a synchronized 2.3:1 ratio motion
  • Free float feature allows the chair to tilt freely 
  • The back angle can be locked in infinite position
  • Standard pneumatic gas cylinder lift allow to raise and lower 6" and provides spring action for added comfort
  • Seatslide adjusts seat depth within a 2.25" range

Features: Black Base with Casters, Height and Width Adjustable Arms, Mesh Back

nof-1271-1211-2324-2324-mixit-black-nylon-base.jpg  nof-1271-1211-2304-2304-mixit-adjustable-polyurethane-arms.jpg  nof-1271-1211-2307-2307-mixit-mesh-back.jpg



  • Overall 26.25-29.25"W x 25.25-26.5"D x 39.25-43.5"H
  • Seat Width 20.25"
  • Seat Depth 16.25-18.75"
  • Seat Height 17.75-22.5"
  • Back Height 23.5"
  • Back Width 17.75"
  • Arm Height 26-34"




National warrants that each piece of furniture will be free from defects in workmanship given normal use and care for as long as you, the original customer, owns and uses the product. This warranty applies to products manufactured and sold in North America. Normal use is defined as the equivalent of a single shift, 40 hour work week. In the event that a product is used more than normal use, the applicable warranty period will be reduced to 12 years and items that fall under different warranty limitations, as listed below, will be reduced to one-third (ex: Wood chair frames will be 4 years instead of 12 years). National, at its option, will repair or replace with comparable product any product, part or component shipped after September 1, 2000, if the claim is eligible under the conditions of this warranty. Limitations to this warranty include: Twelve Years Wood chair frames. Ten Years Seating controls, veneers and laminates. Five Years High wear parts such as electrical components, polymer based components, pneumatic cylinders, swivel arm pads, casters, chair glides, textiles, foam, covering materials and decorative trim. Exclusions This warranty does not apply to: Damage caused by a carrier. Normal wear and tear which are to be expected during the period of ownership. Appearance, durability, quality, behavior, colorfastness or any other attribute of COM (Customer's Own Materials) or any other non-standard National material (including Arc-Com, Stinson, Maharam, Momentum, and Ultrafabrics) specified by the customer after application to a National product. Color, grain or texture of wood, laminate and other covering materials. Non-compliance with installation and maintenance instructions. Damages or failures resulting from modifications, alterations, misuse, abuse or negligence of our products. Gotcha™ 24 Hour Use Seating Warranty on Gotcha 24 Hour Use models must be made within 5 years from date of purchase on seating controls and pneumatic cylinders and 2 years from date of purchase on casters, textiles and foam. Engineer-to-Order National warrants all Engineer-to-Order products to be free from defects in workmanship given normal use and care for 3 years of single shift service. Warranty numbers are mandatory before the claim can be processed. Please contact us at Officechairsusa.com 1-888-355-4999 There are no other warranties except as expressly set forth above, either expressed or implied including any warranty of merchantability or fitness for any particular purpose. We exclude and will not pay consequential or incidental damages under this warranty.