I'm sorry to hear about your injury and the challenges you're facing in finding a hiking boot in your size. It's understandable that you're looking for a boot with good ankle support to help you get back into hiking and manage your back pain. Firstly, congratulations on your determination to get out more and improve your health! That's a great step forward, and I hope you find a suitable hiking boot that will help you achieve your goals. As for finding a hiking boot in size 11 4E wide, have you tried looking at specialty stores that cater to people with wide feet or specific medical needs? Some examples include Zappos outdoor profy, The Walking Company, and REI. These stores often carry a wider range of sizes and widths, and may have options for hiking boots with extra-wide widths and good ankle support. Another option is to consider custom-made orthotics or inserts for your hiking boots. This may allow you to choose a hiking boot that fits well and provides adequate ankle support, while also adding extra cushioning and support for your specific foot and ankle needs. Lastly, it may be worth consulting with a podiatrist or orthopedic specialist to get their advice on finding a suitable hiking boot and managing your back pain while hiking. They may have recommendations for specific brands or styles that would work well for your foot and ankle structure, and may also be able to offer exercises or other treatments to help manage your back pain while hiking. Good luck with your search for a hiking boot, and I hope you're able to find one that fits well and supports your goals of getting out and exploring more!