https://creativemarket.com/prepresstoolkit/1129276-Trucker-Cap-Photoshop-Template

• This Photoshop mockup pack includes eight Trucker Cap templates.
• Detailed to perfection, you have the ability to easily color any panel of the hat. Choose between front-on perspectives or, the all new, angled front and angled top-view perspectives.
• Need to show what’s happening under the brim? We’ve got you covered there too, with the all new ‘Under Brim’ perspective template.
• These high resolution templates are perfect for: eCommerce stores, graphic design projects, design competition submissions and so much more.
• Adding your artwork is as simple as copying and pasting your graphic into the smart objects layer, then the template does the rest. Realistic 3D mapping is instantly applied to the artwork, molding the artwork to the folds of the hat panels ensuring a photorealistic finish.