Armachillo undershirt cranks the cold where it counts
Microscopic jade embedded in the fabric feels cool to the touch
4.9-oz. 91% nylon/9% spandex jersey knit fabric pulls moisture off your skin
Antimicrobial treatment resists odors
Armachillo cooling in your undershirt too!
Same advanced cooling technology and high performance, ultra comfortable 91% nylon/9% spandex knit fabric as our Armachillo® boxers and briefs. Lightweight and stretchy, for extra ease. Wicks moisture, resists odor and mildew, cools skin, feels drier than cotton.