Triathlon Gym and Swim Active Trunk Shorts. You'll be ready, land or sea, with these stylish and strong trunks. Costructed of soft but durable nylon lycra, these lined trunks are great for everything from running, to swimming, biking, playing sports, or working out at the gym. Black with white double stripe accents on both sides. Plenty of stretch for ease of movement. Elastic waistband with drawstring for extra comfort and cling. By Elee Menswear. EL-G115 Made in the USA