Bestop 39436-15 TrailMax II Black Denim Front High Back All-Vinyl Fixed 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. Frame is sturdy and resists corrosion Fixed seat back design for firm, optimized support 97-02 models require Seat Adapter Bracket 51256-01; 03-06 models require Seat Slider Adapters 51245-01 or 51248-01