Louis Garneau - Cycling Leg Warmers 2 Polyester The Louis Garneau leg warmers feature HeatMaxx fabric that has a soft brushed inside to wick moisture while retaining heat. The silicone thigh grippers hold these warmers in place. Easily remove and stash the leg warmers in a pocket or pack when things warm up. The 4-way stretch opaque fabric and flatlock seams provide more comfort. Reflective logos offer safety.