This multi-use sheet is made of 100% Softfleece. This fleece material offers both warming and wicking properties, making this perfect for a cooler or under a blanket for an extra layer of warmth. It is easy to fit with an adjustable buckle front, single surcingle belly strap, and adjustable and replaceable elastic leg straps. This sheet also features fleece wither protection to prevent rubs and a tail string to reduce shifting.