HEAT PRESERVATION & SUPER WARM: The thermal underwear mens is windproof, it can keep you warm while running, cycling, hiking, jogging or walk the dog in the winter morning. BREATHABILITY & QUICK DRY: Breathable and moisture wicking fabric is perfect to keep sweat away and dry fast, the mens thermal underwear perfectly repels odors and unpleasant smells left behind from sweat and dirt. STRETCHABLE & ABRASION RESISTANT: Made of 92% polyester and 8% spandex, this thermal underwear designed using double-seamless technology with top quality thermal properties. OCCASIONS: This thermal underwear men for cold weather is idea gear for all kinds of activities, such as training, rash guard, running, squat, weight training, cycling, yoga, soccer, skiing, snowboarding, indoor gym exercise, fitness body training etc. OUT WEAR SHIRT LEGGINGS: This thermal underwear set definitely can be wore as an outdoor compression sports shirt, the tight shirt leggings set would be a great gift to your boyfriend or families for all seasons.