Rab double pile jacket black the double pile jacket is a classic rab piece designed to provide exceptional levels of warmth for cold winter weather as the name suggests the double pile jacket is made using a double layer berber pile fabric and is the heaviest and warmest fleece in the range the front and sleeves are lined with a wind resistant liner to provide even greater levels of warmth and comfort features include 2 ykk zipped hand pockets hem and collar drawcords and an inner secur