Nike Swim Men's Essential Lap 7 inch Volley Short has a durable water repellent finish to speed up the drying process. A built-in mesh brief provides the support and comfort you need while mesh pockets add valuable extra storage space to the swimming trunks. The sleek men's swim trunks have a secure elastic waist with a drawcord, so you can count on them to stay in place as you tear through each lap. Stretch waistband with interior drawcord for a comfortable fit. On seam pockets with mesh pocket bags for water drainage. Built-in mesh brief enhances comfort and support. Internal mesh pocket for small items. Nike repel durable water repellent. Main 100% Polyester. Lining 50% Recycled polyester, 50% Polyester.