Machine Wash.Seamless: The designed with the minimum number of seams for a more comfortable fit and increased mobility.Rib-Knit: Skin-friendly and soft rib-like texture, Fabric made with a seamless knitting technology for high elasticity, comfortable, form-hugging fit.Lightweight & Naked Feeling: Lightweight and ultra-soft stretchy fabric creates a naked sensation.Thickness: Stretchy yoga tracksuit that is very comfortable to wear, with a bodycon elastic fabric that shapes your body.Thick fabric avoid see through.Tight-Fitting: The stretch fabric promotes both compression and butt lifting, provides support to the upper leg muscles, and reduces muscle vibrations.