The Ronhill's Women's Stride Stretch Capri Running Tights are developed with Powerlite which has excellent stretch and recovery properties which are achieved from the knitted construction along with a high Elastane content, therefore Powerlite fabrics offer great freedom of movement and excellent support with a next to skin fit. Designed as a Control layer, the principle function is to aid regulation of body temperature to ensure the user is performing to the best of their ability.