Undergarments to be worn beneath protective equipment are provided. The undergarments include a primary material comprising a wick away material, the primary material defining a wearable undergarment; a plurality of pockets comprising the wick away material, wherein the plurality of pockets are attached to the wearable undergarment at positions that will contact an area on the wearer identified as routinely being irritated by the protective equipment; and a plurality of removable spacers comprising a secondary material, different from the primary material. The plurality of removable spacers are inserted into and/or removed from corresponding ones of the plurality of pockets. The plurality of removable spacers create space between the undergarment and the wearer of the undergarment to allow airflow and reduce heat trapping.