Sixs - Carbon Underwear Boxer ShortsSIXS' take on boxer shorts have all the strong assets of the UNDERwear range: no seams for absolute comfort, the unique and patented SIXS original carbon underwear fabric protects your skin from excessive perspiration and heat Antistatic system : The carbon yarn isolates the static electricity caused by the rubbing of fabrics Seamless technology : Fewer seams to provide absolute comfort Materials : Carbon Underwear Breathability and thermoregulation