Frelik Mens Thermal Underwear Set UNIQUE BLEND of polyester and cotton (40-60) provides the ideal balance of moisture wicking and heat retention! PROTECT YOURSELF EFFECTIVELY from extremely cold weather and minimize the chances of getting sick! FOR ULTIMATE COMFORT: Pick a thermal underwear top and bottom set of unmatched performance that allows for wearing it without feeling awkward, itchy or irritating! THE TRAVELERS SECRET TO STAYING WARM: Travelling to a country with colder climate can be a little tough for your body  but when you wear this thermal underwear set, you can stay warm all the time! TOP-LINE QUALITY: This amazing thermal underwear set for men is constructed upon the highest quality standards. Therefore, its made to be top-notch and exceed your highest expectations!