90%Nylon+10% Spandex.Ribbed square neck long sleeve jumpsuits[Main Fabric] - This ribbed jumpsuits made with soft fabric.High elasticity, Comfortable, Breathable,The 4-way stretch to promote both compression and butt lifting, provide support to the upper leg muscles and reduce muscle vibrations [Thick material]-elastic yoga jumpsuits are very comfy to wear, designed with ribbed textured tummy control contours your curves and shape your body. thick enough non see through. [Super Flattering]-The triangular design of crotch provide ample coverage as you move from pose to pose and prevent thighs from rubbing. Leggings crotch for greater freedom of movement,without sacrificing support and durability. [Occasion]-The jumpsuits are suitable for casual,daily wear or everyday active lifestyle.Just imagine, on nice day, when you in these jumpsuits, you will look more youthful and vigorous.