The Nike Tech Fleece Women's Pants are made with engineered fleece for lightweight warmth and rib cuffs for a fit that stays in place. Made with style and comfort in mind, the Nike Tech Fleece pants have you covered whether you're in workout mode or in a state of relaxation. An innovative thermal construction helps body heat stay bottled in and keeps you warm without adding extra weight. Make room for your soon to be favorite pair of sweats! Nike Tech Fleece technology is the evolution of sweatshirt / sweatpant material that provides added warmth. Nike Tech Fleece is an innovative thermal construction that merges jersey with a synthetic spacer, allowing body heat to be trapped to create warmth without adding weight.