Sign Sport tights are made of Recycled Polyamid (Xtra Life) – stretch fabric with very good durability and extremely comfort. You will never feel it irritating as it has flatlock seams. All models have two elastic pockets growing up to 300%. Only Short Tight WMN is without pockets on the back. Pockets keep perfect energy bars or gels, your mobile or light jacket. This winter long tights will keep you warm in cold winter days. R tight have silicone ending bands ensure the tights stays exactly where you’ve put it during the exercise.