An assembly for collecting fluid from a penis, the assembly, comprising: a sheath including: a fluid impermeable barrier which includes a first panel and a second panel attached to the first panel, the barrier including a proximal region and a distal region extending from the proximal region, the proximal region exhibiting a first width and the distal region exhibiting a second width that is less than the first width, the proximal region defining an opening in the second panel for the penis, the fluid impermeable barrier at least defining a chamber and the distal region defining a fluid outlet for fluid in the chamber, the fluid outlet being formed from a portion of the first panel and the second panel that are not attached together; and at least one porous material disposed in the chamber; and a base secured to or configured to be secured to the proximal region of the sheath, the base configured to be attached to skin surrounding a penis, the base defining an aperture that corresponds to the opening of the sheath, and wherein the sheath further includes a port attached to the fluid outlet, the port including a first part defining an inlet and a second part defining a port outlet, with the first part disposed between the first and second panels, the port including a channel communicating between the chamber and the port outlet, the second part configured to be attached to a conduit, wherein: the first part exhibits a first maximum thickness and the second part exhibits a second maximum thickness that is the same or greater than the first maximum thickness; and the first part exhibits a first width and the second part exhibits a second width, characterized in that the first width is at least two times greater than the second width. a fluid impermeable barrier which includes a first panel and a second panel attached to the first panel, the barrier including a proximal region and a distal region extending from the proximal region, the proximal region exhibiting a first width and the distal region exhibiting a second width that is less than the first width, the proximal region defining an opening in the second panel for the penis, the fluid impermeable barrier at least defining a chamber and the distal region defining a fluid outlet for fluid in the chamber, the fluid outlet being formed from a portion of the first panel and the second panel that are not attached together; and at least one porous material disposed in the chamber; and a base secured to or configured to be secured to the proximal region of the sheath, the base configured to be attached to skin surrounding a penis, the base defining an aperture that corresponds to the opening of the sheath, and wherein the sheath further includes a port attached to the fluid outlet, the port including a first part defining an inlet and a second part defining a port outlet, with the first part disposed between the first and second panels, the port including a channel communicating between the chamber and the port outlet, the second part configured to be attached to a conduit, wherein: the first part exhibits a first maximum thickness and the second part exhibits a second maximum thickness that is the same or greater than the first maximum thickness; and the first part exhibits a first width and the second part exhibits a second width, characterized in that the first width is at least two times greater than the second width. the first part exhibits a first maximum thickness and the second part exhibits a second maximum thickness that is the same or greater than the first maximum thickness; and the first part exhibits a first width and the second part exhibits a second width, characterized in that the first width is at least two times greater than the second width.