2015-2026 F-150 5.5' Bed X Pattern Heavyweight Bed Mat (DZEDZ77005)Engineered for durability, Dee Zee's . 375" fiber reinforced rubber construction shields your F 150 bed against impact, abrasion, and corrosive elements. The X pattern design maximizes grip and load stability while the heavyweight material resists degradation from heavy cargo, tools, and equipment. Built to maintain your truck bed's structural integrity through years of demanding use. Features Prevents Cargo Shift and Bed Damage Extra Thick . 375" (9.