These black Sweaty Betty Thermodynamic running leggings are crafted with a technical thermal fabric and cut for a close stretch fit, a high waist, ankle length, contrasting velour side stripes and a zipped pocket at the back. With fleece lined Sweaty Betty tights you’re officially out of excuses for not working out in the cold. Sorry, six months of the year are no longer exercise free. REF: 14779256 / SB4425A Composition: Polyamide 85 % Composition: Elastane 15 % Washing Instructions: Machine Wash