Athletic and singlet soft fabric texture. Thick straps. This product contains 100 Cotton. It's a perfect product for daily use in your athletic singles. It's a product that you can comfortably wear under your clothes when you go to the gym. Moisture transfer is good and the stitching doesn't bother you. Cotton is a natural fiber Made of pure cellulose. Cellulose is an organic substance created by synthesis in nature. It's flexible and comfortable. Care Instructions. Hand wash at a maximum of 30C. Do not tumble dry. Do not bleach;