SmartCap Evo Sport Series Truck Bed Cap Features: Integrated Roof Rails for mounting cargo & accessories Positive Pressure air vent keeps dust and moisture outside Front flush-bonded slider window Gullwing side doors for excellent ventilation Rear half-door with flush-bonded fixed window 5-Piece design with innovative weather sealing method High-Mounted third brake light Easily installs or removes in 15 minutes 3-Year Warranty provided on all parts & workmanship High-Quality Modular Designed Truck Cap The RSI SmartCap Evo Sport Series Truck Bed Cap is a real attention grabber as it provides your off-road machine with a sleek and aggressive attachment that will be sure to turn some heads the next time you get behind the wheel. This 5-piece modular designed truck cap is the world’s first as it features a front flush-bonded slider window, Gullwing side doors, and a rear half-door with a flush-bonded fixed window.