4ucycling Wind Proof Thermal Fleeced Breathable Cycling Leg warmers sleeves,black,L nylon Excellent warm keeping with high elasticity and not easy to deformation. Adopting high quality soft skin friendly fabric to be 360 degree body hugging comfortable, thermal inside design locks in all the warmth. Wind proof. 3 layers composite fabric on knees to be extra wind proof and protective, stylish patterns add up with elegance too. Anti-skid elastic cord inside prevent falling off while having strenuous exercise. Fluorescent reflective Logo design ensures safe cycling at night. Reflective zippers on both ankles, more convenient to put on and off, extra safety guaranteed.Thermal fleece inside and multi-layers fabric on knees, specially designed for sports lovers in winter.