Pro Aero Thermal Leg Warmers Colour:Black while Quick Dry technology enhances and extending the warmth while Quick Dry technology enhances airflow and moisture management during all day efforts The grippers on the legs also have a mesh effect to wick sweat while staying firmly put even when you're in the red Insulating fleece lined fabric on the upper legs provides superior warmth while remaining breathable during your hardest efforts The Pro Aero Thermal Leg Warmers have been developed with WorldTour team BORA – hansgrohe using aerodynamic learnings from wind tunnel testing with McLaren Racing to deliver race winning protection and superior comfort in colder weather