Oxford ChillOut Windproof Knee Warmers (MEDIUM) (BLACK) Oxford ChillOut provides an extremely effective mid-layer barrier against wind chill. Perfect for use with Oxford CoolDry and WarmDry base layers. At 32&deg;F , the wind chill factor at just 24 MPH is approximately 3&deg;F. Add to that the impact of rain at high speeds and it is easy to see how a rider's concentration could be adversely affected. The correct use of "layering" can dramatically reduce the effect of wind chill, as well as maintain comfort through the wicking of moisture away from the skin.The all-new ChillOut range of Oxford Layers uses the very latest in material technology to keep