Drawstring closure4-Way Stretch,elastic elongation is 10%-15%. Adapt to the activities of the human body.Stretched,contracted,light and comfortable. Also Keep the trunks from deforming for long-term useProduct Features: With Mesh lining Briefs inside;2 side Pockets and 1 Back Velcro pockets;Elastic waistband with drawstring.Vibrant colors printed that don’t fade based on the material. With brief mesh lining don??t worry see through. The waistband with drawstring is elastic can be freely adjusted according to your waist.Water repellent technology dries fast. Suitable for swimming, Beach vacation, shorts leisure ,Beach pants, surf pants, all the weather sports and activitiesPerfect length and true to size. US Size, S: waistline:28-30; M: waistline:32-34; L: waistline:36-38;XL:waistline:40-42. Model is 6′ tall, waistline is 33 and wearing a size M.