The Girlfriend Women's Bonded Sports Briefs are constructed with a blend of 80% Polyester and 20% Elastane for a comfortable fit. The lining is made from Coolmax for added breathability. Crafted from recycled materials, these briefs have the advantage of being RPET fabric, ensuring they are environmentally friendly. The design is simple and understated, offering a plain appearance. This fabric technology offers a lightweight feel, is highly breathable, and effectively wicks away moisture to keep you cool during workouts. The waistline is bonded for extra durability and comfort. Please note that the colors may bleed during the first wash. The hem is left in its natural raw state. For added assurance, these briefs are Oeko-Tex certified and can be recycled when no longer needed.