Bilt Pro Tourer Air Boots The Bilt Pro Tourer Air Boots are a long distance touring boot that is ready for hot weather. The full cowhide construction is perforated and then fitted with a micro-mesh liner to wick moisture and facilitate airflow. A heavy duty sole is oil-resistant and packs a steel shank for durability, safety and cold morning kick-starts. Two YKK zippers run the length of the upper to make entry and exit a breeze. Stretch panels and zones of accordion flex provide the rider with a full range of motion on the bike while making the Pro Tourer Air. Boots an equally capable companion when adventuring on foot. Note: If you're in between sizes, customers recommend ordering the smaller size. For example, if you typically wear a size 9.5 then order size 9 boots. Construction: Perforated full grain cowhide construction Moisture wicking micro-mesh liner Ventilation: Perforated construction provides airflow Protection & Safety: Shock-absorbing sole with steel shank Carbon black reflective inserts at back of heel Oil-resistant treads Comfort: Accordion flex panels at front and rear for comfort and ease of entry Stretch inserts around lower calf for increased range of motion Other Features: Dual YKK entry zippers Textured rubber shifter pad