Conquer the toughest trails with the SmartCap EVOa Adventure Truck Bed Cap in Matte Black. This rugged, stainless steel cap is the definitive choice for peak performance and extreme conditions. Engineered with overlanders in mind, the EVOa features an ultra-durable, automotive-grade steel construction that significantly outperforms standard fiberglass caps. The large, secure gullwing side doors provide instant access to your cargo. Its unique five-piece modular design ensures easy assembly and repair. Plus, with integrated roof rails built to support substantial dynamic and static loads, you are fully equipped for rooftop tents and all essential expedition gear. Maximize security, durability, and organization for your next adventure.
Vehicle Compatibility
2020 Chevrolet Silverado (6'5" Bed)
2021 Chevrolet Silverado (6'5" Bed)
2022 Chevrolet Silverado (6'5" Bed)
2023 Chevrolet Silverado (6'5" Bed)
2024 Chevrolet Silverado (6'5" Bed)
2025 Chevrolet Silverado (6'5" Bed)
2026 Chevrolet Silverado (6'5" Bed)
2020 GMC Sierra 2500 (6'5" Bed)
2021 GMC Sierra 2500 (6'5" Bed)
2022 GMC Sierra 2500 (6'5" Bed)
2023 GMC Sierra 2500 (6'5" Bed)
2024 GMC Sierra 2500 (6'5" Bed)
2025 GMC Sierra 2500 (6'5" Bed)
2026 GMC Sierra 2500 (6'5" Bed)
2020 GMC Sierra 3500 HD (6'5" Bed)
2021 GMC Sierra 3500 HD (6'5" Bed)
2022 GMC Sierra 3500 HD (6'5" Bed)
2023 GMC Sierra 3500 HD (6'5" Bed)
2024 GMC Sierra 3500 HD (6'5" Bed)
2025 GMC Sierra 3500 HD (6'5" Bed)
2026 GMC Sierra 3500 HD (6'5" Bed)
At Rack Attack, we are committed to making your adventures as seamless as possible. To fulfill this promise, we introduce our Fit Guarantee—a pledge that every order placed with us is double-checked to ensure it will be the perfect fit for your vehicle. We don't just ship your orders; we ensure they're absolutely right for you.
On orders over $200 — most ship same day. Learn more
100% satisfaction guarantee or your money back. Learn more
Every order validated by our expert Gear Guides. Learn more
Find a better price anywhere online and we'll match it. Learn more

