Mostly Lycra... Gives you a feeling of wearing ladies/ girl's yoga pants. It's all about your comfort and fit. Cost, brand and other factors are secondary to most men when it comes to Regular use clothes. More than 60% lycra, with good quality stitch, easy wear on the inside with smooth finish, good fit I liked that though this has lycra, it does not pull on the hair on the legs. Fabric is breathable only to a certain extent ( not like cotton) Certainly stretchable and allows you to take ...