Fly Anglers have varied opinions about what the proper layering should be. One thing for sure is slipping into your waders while wearing a pair of jeans is an absolute NO NO! Cotton of any kind for that matter. Anglers have many choices today including Wool and Synthetic materials that will provide warmth, comfort and moisture wicking. For fly anglers laying is not just what you wear under your clothers but becomes the layer in between you and your waders. You will find many pants that look like pants so when you break for that burger at the river diner you don't have to feel like your in your long john underwear. Layering is a big category for angling and Gorge Fly Shop takes it very serious. Let us know if you need help deciding what your needs are.