The Tempest Original 300g turnout rug offers excellent winter warmth for cold weather. 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.