Speedo Elite Poolbuoy MashSpeedo Elite Poolbuoy Mash Our training aids are designed to help you get the most from your swim workout. Each training aid works a particular part of your body, so you can focus on increasing strength, stamina or tone where it suits you. Fabrics: EVA Features: Designed to balance the lower body while concentrating on stroke technique. The Pullbuoy lifts hips which enables you to swim more comfortably, longer. Place high between legs and gently hold