The Neiro Seamless Leggings offer you everything you desire from perfect workout leggings. This high waisted legging is seamless, so you will not experience any friction or irritation during your workouts. Gone are the days of chaffing! The leggings are made of firm fabrics (a material blend of 90% nylon and 10% spandex) but are still stretchy for full freedom of movement. They have been tested and are 100% squat-proof! Ideal for high mobility activities such as yoga and hiking.