The evs tug 05 impact base layer underpants are packed with featuresspecifications includedesigned to provide active compression to muscles decreasing the lactic acid build up and helping to provide greater endurancebreathable form molded eva hip thigh and tailbone padshard molded hip pads for ultimate protectionmoisture wicking padded synthetic chamois crotch padbreathable moisture wicking fabricremovable eva tailbone pad insert