Made from high-performance Dryline fabric that offers the very best in comfort, moisture control and durability. The Dryline Tight is made with a CoolMax polyester gusset, flat seam construction, triple needle elasticized waist with braided draw cord. The leg opening is tight fitting with gripper elastic. Offers an internal key pocket, non-chafing heat transfer inner. Reflective logo for nightime visibilty.