Abstract: The hull has two lateral hull portions (5a, 5b) spaced part with respect to each other which each extends from a respective lateral wall of a front hull portion (1) beyond the rear end (1a) of the front hull portion (1). Lateral hull portions (5a, 5) are directly connected to a respective lateral wall of front hull portion (1). A respective tunnel (15a, 15b), open downwardly, is formed between the front hull portion (1) and each lateral hull portion (5a, 5b). Tunnels (15a, 15b) run into a further tunnel (15) defined behind the rear end (1a) of the front hull portion (1), between the lateral hull portions (5a, 5b).

Abstract: 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.