Superior Insulation The Nike Authentic Therma Midweight Jacket is the ideal companion for cool weather workouts. The signature polyester and spandex blend will keep you insulated by regulating body temperatures so whether yoursquo;re waiting on the sidelines or staying warm after a tough workout yoursquo;re sure to feel your best. This makes it perfect to slip on post-workout so yoursquo;ll never get the chills while cooling off. The addition of spandex adds stretch so when yoursquo;re engaged in moderate outdoor activity you can stay warm without sacrificing flexibility. This Nike classic is one yoursquo;ll never want to take off. Versatile Warmth Therersquo;s nothing worse than those post-workout chills and the Nike Authentic Therma Midweight Jacket will ensure that never happens again keeping the cold out while regulating body temperature within. Ideal for the fall and winter months or year-round in cooler climates this piece is supremely modern in its insulating technology. Plus you wonrsquo;t have add bulk or compromise mobility to stay warm in this stretchy lightweight jacket. Get comfy and stay warm in this versatile Nike jacket. Nike Authentic Therma Midweight Jacket features: bull; Heat-regulating technology.bull; 92% Polyester/ 8% Spandex. Imported.