Q: How does the SunShade attach to a hat? September 09, 2019 18:32 A: Simply slip the adjustable elastic band over the top of your hat and adjust the cord adjuster to a comfortable position. Related articles Q: Is the Sunshade adjustable? Q: What is Coolcore and how does it work? Q: How long is the rear flap? Q: Will the UPF wear away on my SunShade? Q: Do you ship internationally?