NEW NWT COTTON CITIZEN COOPER THERMAL LONG SLEEVE WAFFLE medium taupe brown gray mens Slim fit Contrasting rib crew collar and sleeve cuffs Military thermal 100% COTTON The Cooper Thermal is handcrafted from a soft 100% cotton military thermal, making it the perfect layering piece for colder months. With long sleeves and an elongated body, this thermal is fitted and warm, finished in a variety of seasonal colors.