The nylon lining inside the Kennet boot is breathable

as they prevent them from being pinched which can happen with loose ring snaffles

Other features include

it features

perfect for removing dirt

Moocall Calving Sensor Size:As supplied The nylon lining inside theTail mounted calving sensor to monitor pregnant cows. Contractions are monitored to accurately determine when the cow is most likely to calf. Reduces calf mortality. SMS alert is then sent to up to two phones to ensure that you can be present when calving occurs, usually about an hour prior. Email and app notifications can also be sent. Works with the Breed Manager app. Live chat support available. Rechargable battery that will last four or more weeks