Star Trek Gold Emblem Mens Black Sleep Pants Soft and Smooth Cotton/Polyester Blend - 60% Cotton, 40% Polyester Drawstring closure To best care for printed apparel: Wash in cold water, Hang to dry, Do not feed after midnight. Regular adult men's sizes Officially licensed Star Trek apparel Professionally designed and printed Features the gold emblem from the Star Trek uniforms on comfy sleep pants Soft and comfortable enough to sleep in, but you'll want to wear them all day long!