Tough 1 blanket liner with 150G poly fill makes adjusting to varying temperature changes possible. When weather turns cold place liner under blanket/sheet to add an additional layer of warmth. During the day or when the temperature rises simply remove liner to keep your horse covered yet comfortable. This 70D breathable shell keeps horse comfortable wicking away moisture. Closed front for secure fit. 3 leg strap slots will accommodate leg strap placement on a variety of blankets and sheets.