Experience superior comfort and durability with your training suit when you wear the Quark Splice brief. Features Ulimate support. Sleek design. Ideal range of motion. Endurance Lite Technology 10% lighter than Endurance+. Resists sagging, bagging, and fading. Perfect for racing or training. 51% PBT / 49% Polyester. About Speedo: The world's leading swimwear brand, Speedo is passionate about life in and around the water. The brand's heritage of innovation derives from its leadership in competitive swimming, where more Olympic Gold Medals have been won in Speedo than any other brand. Using the pioneering technology created for the planet's top swimmers, Speedo brings performance, comfort and style to all who enter the water, whether racing for a record finish, swimming laps for better health or making memories at the beach. Our Performance Collection includes the competition and training suits that remain the number one choice of the world's fastest swimmers; our Fitness and Active Recreation Collections feature men's and women's swimwear, men's water shorts, and kids swimwear in fashion-forward styles that are designed to perform. And with Speedo's expanded range of Footwear, Packs, Aquatic Fitness and Swim Training Equipment, our Accessories Collection is unmatched in performance, fit and feel. No matter why you dive in - training, fitness or fun - those moments in the water are always better with Speedo.