A high-visibility knee warmer that traps body heat and wicks moisture for a safe, comfortable ride. A high-visibility knee warmer that traps body heat and wicks moisture for a safe, comfortable ride. Brighten your winter blues Brighten your winter blues Stay warm and ride safely with the Visibility Thermal Knee Warmer. It features a next-to-skin feel and stay-put fit, plus reflective elements to increase visibility, and Profila Thermal fabric to trap heat and wick moisture. Because being seen is just as important as being comfortable. Stay warm and ride safe with the Visibility Thermal Knee Warmer. It features a next-to-skin feel and stay-put fit, plus reflective elements to increase visibility, and Profila Thermal fabric to trap heat and wick moisture. Because being seen is just as important as being comfortable. - Profila Thermal fabric traps body heat and wicks moisture, keeping you ...