Remember to measure for the perfect fit. With the Horze Equestrian Nevada Turnout 600D Horse Fly Sheet， you can protect your horse from both summer showers and pesky insects. This sheet is ideal for all-around weather and insect protection. Its back and topline are made of a waterproof polyester， and the sides are breathable mesh to keep your horse fly-free. A detachable neck cover lets you customize the turnout to your needs， while high gussets let your horse move freely and easily. Go ahead， say bye-bye， bugs!