To use these boardshorts, simply put them on like regular shorts. They're great for the office, casual outings, or surfing. When wearing them in the water, make sure the belt is fastened properly to avoid losing it. After using them in the sea or pool, rinse them with fresh water to remove salt or chlorine. Hang them to dry in a well - ventilated area, away from direct sunlight to prevent color fading. You can machine - wash them on a gentle cycle with mild detergent. These boardshorts are designed to last, so take good care of them and they'll serve you well for a long time.