men seamless elastic thermals inner wear constant temperature ultra-thin underwear suit pants jl lj201008, Black;white

men seamless elastic thermals inner wear constant temperature ultra-thin underwear suit pants jl description: features: 1. constant temperature at 37 degc: made with cotton material that regulates body temperature keeping the body warm at 37 degc even during the cold season. 2. warmer than usual: it is 65% warmer than regular inner wear, more effective and protective. 3. seamless: it perfectly fits the body, not bumpy; keep you looking good and feeling good. 4. ultra elastic: made fro