Speedo Fastskin Racer X Openback Kneeskin Kids Black/Blue SwimwearDesigned for young athletes. Feel unstoppable wearing Speedos Junior LZR Racer X. Developed by swimmers for swimmers. Increased compression streamlines the body while support seams hold you higher in the water making you feel your fastest. Features: Bonded inner core liner construction, for greater stability and improved body position Bonded comfort straps for more freedom of movement Silicon gripper on leg hem for both comfort and secure fit