Standard adjustable lumbar supportBuilt-in pull handle12 solid mesh back colorsFour woven striped mesh options12 Thintex back colors in fabric or vinylThree frame colorsBasic, standard synchro and swivel tilt mechanismsMulti-adjustable (height/width), height-adjustable, armless and fixed armsTextured designer armsOptional seat depth adjustmentOptional brushed aluminum baseWaterfall seat