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 yet they're easily removed and stashed in a pocket or pack when things warm up. Reflective logos offer safety. . . . HeatMaxx: 4-way stretch opaque construction knit with brushed back. . Thigh silicone grippers. . Flatlock seams. . Reflective accents. . UPF/SPF 50. . Weather: Chilly. . Imported. .