A prosthetic device for a lower limb of a user is provided which includes a femoral leg component, a foot component and a cover component which are water compatible. The cover component includes one or more hollow sleeves defining one or more cavities in communication with a cavity provided in the foot component. The foot compartment includes a hole overlapping the one or more hollow sleeves which is configured to evacuate water from the prosthetic device and to provide air communication between the one or more cavities and the exterior of the prosthetic device. The cover includes a flexible venting opening so that the water drains naturally from the one or more cavities. A method of manufacturing the prosthetic device is also provided. The method includes manufacturing a cover with successive layers forming the cavities, with the cavities configured such that water drains naturally from the prosthetic device.
