Reflective, Thermal And Breathable. The Brush Inner Surface Of These Tights Sets Them Apart From Regular Running Tights. This Thermal Quality Makes Them Perfect For The Autumn And Winter Months When The Weather Is Cold And You Want To Keep Your Legs Warm During Your Run. Through The Winter We Can Often Be Found Out Running In Dark Conditions So The Reflective Print, At The Lower Leg, Has Been Placed To Give These Tights 360º Reflective Coverage.