Underpants 1 comprise a central section 2 and two side sections 4, 4', a waistband 8 defining a waist opening and a pair of leg openings 10, 10'. The central section 2 comprises an inner layer (16, figure 3), an outer layer (14, figure 3) and a middle layer (30, figure 3). The middle layer is a breathable thermoplastic waterproof layer which is configured to mitigate transfer of fluid from the inner layer to the outer layer.
