ULTRABOOST 22 COLD. RDY SHOES RUNNING SHOES FOR COLD WEATHER MADE IN PART WITH RECYCLED MATERIALS. Winter can be your favourite season to run. Just lace up these adidas COLD. RDY running shoes and head out confidently into the rain, slush or snow. The upper is insulated for warmth and comfort in low temperatures. Your footing feels secure on slippery streets thanks to a grippy Continental™ Wintergrip™ Rubber outsole. Energy-returning Boost and a Linear Energy Push system keep you going longer.