FreshIQ advanced odor protection technology attacks the odor-causing bacteria in your clothing that causes your underwear and socks to smell - so now you can feel fresh all day. X-Temp technology is designed to adapt to your temperature and activity to keep you cool and dry for all day comfort. Air Boxer Briefs have an ultra lightweight, airy and breathable mesh fabric that wicks and cools for all day comfort. Tag-free for itch-free comfort. Our premium Comfort Flex waistband is soft and stretchable. Traditional fly. No ride up. Convenient 4-Pack includes a bonus boxer brief.