Miami Heat Ladies Concepts Sports Fortitude Leggings. Show you’re the biggest Heat fan when you hit the gym in these stylish leggings with laced ankles. These leggings have the Miami team logo in a high quality dye-sublimation screen print. They are made of a 90% Polyester/10% Spandex for that extra comfortable fit. Now you can show your team pride at home, in the gym of out on the streets! Go Heat!! Officially licensed Miami Heat fan gear.