Mens Modal 3/4 Mid Long Johns 95% Modal / 5% Elastan Material: 95% Modal / 5% Elastan Clean, modern style with an incredibly soft feel. The knit blend of modal and elastane gives these sleep pants a mix of softness and easy-to-wear stretch that you'll appreciate for years to come. Hygiene performance gives you wicking and anti-microbial comfort that helps you stay dry and reduces odor. comfortable fit.