Ideally suited to mild, wet spring and autumn weather, the Tempest Original turnout rug has a 50g fill which provides a buffer between the inner and the outer lining of the rug to help with condensation issues caused by the humid outside temperature. Key features: ShireTex® 600 denier ripstop, waterproof and breathable outer with taped seams, adjustable buckle chest straps, adjustable cross surcingles, adjustable fillet strap, tail flap. WarmaRug Compatible - Upgrade this rug's warmth rating using separate rug liners in 100g or 200g. PFC-free outer ? ShireTex® outer offers sustainable weather protection without the use of environmentally harmful PFCs.