Not sure what part of the boot you want wide, but Korkers work very well for me. Interchangeable soles for different types of wading conditions. Boa lacing or standard lacing. I have an older pair of Metalheads that I really am not looking forward to replacing. They run pretty narrow though on inside shoe size width. Other than that, Simms makes great wading boots with more foot room. Most of them are relatively light weight. Without felt soles, make sure you get studded soles. Way better traction on slick rocks and bedrock shelves. Just be careful walking into a tile restroom floor. (Lesson learned)

If you have a good fly shop close, run by and try on a few pairs and see what you like. They'll be happy to help you if they are any kind of decent fly shop.