Equilibrium Field Relief Midi Fly Mask With Ears Black. With 70% UV Screening, the Equilibrium Field Relief Midi Fly Mask gives your horse proper protection complete with ears. With both sun and fly protection, the Midi Mask is perfect all year round. The Midi Fly Mask with Ears can be worn all day, but must be removed, and checked daily with regular cleaning to avoid any irritation. The Midi Field Relief with Ears is easy to fit and remove, with soft padding at both the brow and noseband area for additional comfort. The touch and close straps under the cheeks and at the poll are adjustable for a secure and comfortable fit. For hair horses, there\\\'s a hole for their forelock.