Extang 44655 Original Trifecta Trifold Truck Bed Cover fits Chevy/GMC Silverado/Sierra (8 ft) 07-13, 2014-2500HD & 3500HD, works without track system Tri-folding, soft Tonneau cover design Quick and easy install or removal, no tools required Strongest frame of any soft folding cover, yet lightweight Improves Gas Mileage Made in the USA