SmartCap Matte Black Truck Bed Cap EVO Sport Series w/ Vertical Locks Model EV0113-MBSmartCap Matte Black Truck Bed Cap EVO Sport Series w Vertical Locks Model EV0113 MB Forged from steel (not fberglass), it could be said the SmartCap EVO is built like a truck, not a boat. From off roading to the job site, it'll withstand the daily abuse you give it, while also being able to hold up to 330 lbs when moving down the road and a whopping 770 lbs when parked. Features Include: Front flush bonded slider window Gullwing side doors w flush