In addition to the “Cold” theme here is a look at the Nike Running Holiday 2011 “Dark” Collection. Unveilling a line focused on night runners with product designed to overhaul the effect of no light. The Vapor Flash Jacket, with 400 candle power reflectivity, and the Swift Tight, which has a reflective strip on the zippered back pocket are key pieces from the collection. In addition the Nike Free + 2 Shield completes the collection, adding reflective material on the traditional lower lattice design to maximize visibility in low light.