Bestop 39429-01 TrailMax II Classic Black Crush Low Back All-Vinyl Single Jeep Seat for 1976-2006 Jeep CJ and Wrangler Sturdy Atlas frame and Variable Rate of Resistance springs for great support High-density closed cell foam minimizes fatigue, maintains the seat shape Meet Federal Motor Vehicle Safety Standards Fixed seat back design with automotive grade vinyl upholstery 97-02 models require Seat Adapter Bracket 51256-01; 03-06 models require Seat Slider Adapters 51245-01 or 51248-01