FUSION SOCK / SLEEVE COMBO | RED / BLACKA favorite amongst riders of all disciplines and skill levels, the Fusion Socks have become a mainstay in nearly everyones gear bag and once you try them, you wont like riding without them. Trac Grip Sticky silicone grippers are strategically placed in key positions to help hold a Knee Brace or Knee Pad in place, limiting uncomfortable brace migration. Reinforced heel & toe for durability Extends to lower thigh for added comfort under knee protection