Ladies, you probably have a little black dress for going out. That dress is a staple and a must-have, right? Well, the Nike Pro Combat Thermal Mock is the new little black mock that you definitely need to have as a staple for your running wardrobe! This mock is made with 88% polyester/12% spandex Dri-FITŪ, which keeps you warm, dry and comfy. It features seams shifted to the back for extra comfort, thumbholes for added warmth, and underarm gussets for comfortable mobility. Goodbye old sweats and hello Nike Pro Combat Thermal Mock! Imported.