17" Standard Containment 20 Degseat, 80 Series Containment, Full Containment, Adjustable Height, 17 In Wide, 20 Degree Layback, Cover Included, Aluminum, Natural, Kitproduct Line80 Series Containmentfront / Rearfrontfull Containmentyesheight Adjustableyesmaximum Height Adjustment2-1/2 Inhighback / Lowbackhighbackwidth17 Inthickness0.125 Inlayback Degree20 Degreeshoulder Support Includedyesrib Supportyesrib Support Sideleft / Righthead Supportyesremovable Head Supportyesharness Openingsyeshans Cut Outyescover Mounting Methodsnap-Oncover Includedyescover Style2-Piececover Materialclothcover Colorblackmaterialaluminumcolornaturalfinishnaturalquantitykit