Heavy Weight Athletic Mesh90% NYLON, 10% SPANDEX. Incredibly durable with great 4-way stretch for comfort and fit. The mesh allows for ample ventilation in summer and protects haircoat from sun and insects. Revolutionary durable sports fabric that is good for stall, pasture, and paddock wear. Zips open so nothing goes over the head w/ a covered zipper and belly wrap and rear leg straps that keep it from shiffting. Machine wash and dry in minutes.