Crocs Blitzen Polar is the perfect solution to the need for free environmentally aware central heating for feet in cold weather from Crocs. Imagined your favourite Crocs with holes that you've been wearing all year and wondered if they could be improved for when its colder, but without losing their iconic Crocs looks? Blitzen Polar is the luxuriously lined answer that removes seasonality from the equation: warm fleece that hugs every curve, nook and cranny of your foot as you stand or walk, radiating foot warmth inside the squrumptuous resilience of the famous comfy Croslite material footbed - you'll never want to take these favourites off!