"Buzter" Fly RugBack on Tracks "Buzter" Fly Rug is a lightweight fly rug with our famous Welltex infrared energy effect. Protects your horse from bugs and flies, made with a unique mesh material that allows air to circulate for maximum breathability and airflow. Durable material and made of soft mesh polyester with Welltex. Made of reflective materials even on the outside of the rug that prevents the horse from getting overheated and protects the horse's coat from