To use these briefs, simply put them on like you would any other underwear. For best results, choose the right size according to the size chart. When it comes to maintenance, machine - wash them in cold water with like colors. Avoid using bleach as it may damage the fabric. Hang them to dry instead of putting them in the dryer to keep their shape and softness. Make sure to check the briefs regularly for any signs of wear and tear and replace them when needed.