Men's winter thermal underwear set

Pure cotton fleece fabric (outer layer of cotton 90%+polyester fiber 10%, inner layer of thin fleece, warm temperature -5 ¡æ to 10 ¡æ), including long sleeved top and pants (suitable for height 165-185cm), round neck design (ribbed collar, not easily deformed), elastic waist circumference (with drawstring, adjustable), black/dark gray optional, machine washable, size options M-XXL