Stay warm during your cold weather workouts in the Brooks Momentum Thermal Tight. These pull-on style tights feature two pockets on the upper-legs and an envelope pocket at the back for your phone, the semi-fitted cut follows the contours of the body. DriLayer Threshold Fabric is warm, so legs stay comfortable on chilly days. Fitted cut keeps everything tight to the body. 79% polyester, 21% spandex. Machine wash.