These Bloch Play Zip 7/8 tights are designed for people who are into various activities like low - medium intensity workouts, going for a walk, or daily activities. The 7/8 length leggings have a tapered high waist. The fabric of the main part is BLOCHribâ which is 75% Nylon and 25% Spandex, and the mesh waist layer is 70% Nylon and 30% Lycra.