This ergonomically designed suit offers targeted compression in order to improve your body position and decrease resistance, resulting in more speed.Hydrophobic knit fabrics mean a comfortable fit, while the flatlock stitched seams maintain the suit's flexibility, speed and comfort. Silicone leg grippers help keep the suit in place.Designed to meet the updated US Swimming regulations for the 12 and under age group that prohibits woven and bonded or taped suits, the Nero Stitch Jammer goes even further, promising a suit that provides both comfort and performance.