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.ComfortSoft® cotton feels soft against your skin.Cool Comfort® fabric wicks away moisture, keeping you cool for all day comfort. Lay Flat Collar is designed to keeps its shape.Preshrunk for a great fit wash after wash.Tag-free for itch-free comfort.Available in a black/grey assorted 5-pack.