CLIMATESMART Men's Flex Fit Lightweight Baselayer Long Pant 87% Polyester, 13% Spandex Imported Machine Wash Versatile year-round lightweight performance base layer Breathable stretch jersey moves with you for optimal fit and maximum comfort Body conscious performance fit, ergonomic flat seams for comfort Moisture wicking helps keep you dry, antibacterial fabric helps reduce odor Contour pouch with non-functional fly, medium-rise, tag free