Throwdown's Air Max headgear has a combination of leather and mesh for the exterior, maximizing ventilation/airflow and durability.$19
To size correctly, measure around your head at just above your eyebrows.
You'll get a measurement that's between 22" and 26".
If you're 23.5" or less, go with a Medium. If you're over 23.5" go with L.
Aaron. Any chance you'll be putting up the Armorfit headgear soon?