An inflatable wader tree receivable in the upper opening of footwear, such as fishing waders, and shaped, when inflated, to sealingly engage and distend the upper portion of footwear, an air inlet for inflating the tree, and mechanism for distending the lower portion of the footwear, when the tree is inflated, including an outlet in the lower portion of the inflatable tree for passing air from the inflatable tree to the lower footwear portion.