Speedo Essentials – everything your child needs for a great swim. Take on lessons and training wearing the funky Dive Jammer from our much-loved Essentials range. Sporty with an eye-catching dual-colour panel chevron design, the jammer is lined at the front for comfort and includes an internal drawcord so that young swimmers can adjust the fit. Quick-drying and stretchy to keep active kids comfortable, it offers higher chlorine resistance than standard swimwear fabrics and is made from Endurance10 fabric which is designed to keep its shape.