Abstract: A flexible pipe designed to transport fluids that include, from the interior toward the exterior: an internal tubular sheath with an axis (A-A?) defining an internal passage for fluid circulation; a composite reinforcing structure applied around the tubular sheath and connected to the tubular sheath; at least one sealing layer made of thermoplastic material applied around the composite reinforcing structure; at least one ply of tensile armor, not connected to the sealing layer, the at least one ply of tensile armor ply comprising at least one armor element wound around the sealing layer; the thickness of the sealing layer being less than 15 mm.