Men's thermal underwear set is made of 62% Polyester 30% Nylon 8% Spandex premium breathable fabric. This fabric is without pilling, the water will be still transparent after wash. No more worry about color fading situation. Men's thermal compression set is made of moisture wicking and breathable fabric, which will absorb sweat and dry quickly in exercise and keep away from clammy feeling, provide a enough comfort and warmth when you play sports in cold weathers. Men's winter thermal top & bottom are designed with four way stretch fabric that allows you to keep your body looking slimmer and to enjoy a great freedom of movement while at the gym, office or home. Men's winter thermal clothing soft against the skin, its strong seams won’t rip or tear prematurely, offering long life. They fit snug like a second skin for perfect heat retention minimizing heat loss for an ideal base layer. Draping tailoring provides super comfort and excellent body fit. The men's long johns set is not only suitable to wear at home or as a pajama, but also perfectly for outdoor activities like hiking, cycling, marathon, Motorcycle, running, climbing, training, yoga, snowboarding, hunting and fishing.