The Double Cross delivers. With half the wool yarn weight of our cushion socks, our lightweight cushion socks deliver lightweight performance with the perfect amount of cushioning along the base of your foot. Runners and cyclists love the streamlined performance fit of this sock and the uber comfy 17.2 micron wool construction. True Seamless technology assures a smooth fit and reduces blisters and hot spots. No slipping, no bunching, no bull.