Powerlite fabric technology wicks away sweat to keep you dry, comfortable and focused High content of elastane provides excellent support with great stretch and recovery Back zip security pocket Deep waistband with hidden elastic and secure draw cord Keep up the pace with these women's Stride Winter Running Tights from Ronhill, made from premium brush back polyamide fabric to provide protection from the cold weather while giving total freedom of movement. Extra details include the striking contrast reflective detailing down the side of the leg to keep you visible in the dark.