The Louis Garneau 1083113 adult leg warmers will be well appreciated for biking in colder weather. They are made of HeatMaxx stretch fabric that has a soft brushed interior to wick moisture while retaining heat. The silicone thigh grippers hold these warmers in place. The leg warmers can be removed easily and stashed in a pocket or pack when temperature warms up. Reflective details offer enhanced visibility in low light conditions.