The New 24/7 Tech Series Utilizes our Highly Breathable, Quick Dry, Nylon Spandex Composite Fabric. Whether your enjoying a day at the beach, working out at the gym, surfing in Costa Rica, or just flat hanging out the multi purpose 24/7 series from O'Neill has you covered. The 24/7 fabric works in all types of applications in-and-out of the water.