The Cool Tech Blankets are designed with innovative cooling technology. The material is designed to keep the lamb or goat cool with breathable interlocking material. The material is highly rated for durability and aids in keeping the lamb free of debris. It also acts as a protective shield, equipped with a anti-mosquito barrier with anti-UV protection. The blankets have improved sizing that allows for a up to date comfort fit. Newly added performance features consist of the Spandex Pleat Designed to allow increased movement when exercising, and also the Spandex Front Column Designed to allow for a larger opening when putting on the blanket over the head. Large - (140lbs - 175lbs) - 35" Long, 21" Deep, 12" NeckMedium- (115lbs - 150lbs) - 32" Long, 17" Deep, 12" NeckSmall - (90lbs - 125lbs) - 29.5" Long, 16.5" Deep, 11" Neck | Sullivan Supply Inc Cool Tech Sheep Blanket | Size Large