Athletics Weekly: \'Great for track sessions on cold evenings and the ability to pull them off and on quickly and easily.\' Men\'s Health: \'Breathable and warm, these reflective leg warmers gives you extra reflectivity when out on the roads when it\'s dark.\' High quality fabric (polyester, polyamide, elastane mix) Breathable and warm Strategically positioned retro-reflective logos and chevrons Silicone inner band to keep warmers in place Lower leg zip for easy removal Machine washable