Speedo equals better fit, performance, quality, and innovation. the sonic warmup jacket is a great basic from our team apparel line and worn by our elite athletes. it features a full zip front, mesh side panels, side zip pockets, and a headphone guide to make it easy to enjoy your music during wear. the warmup jacket matches back to the sonic warmup pant, and is ideal for post swim workouts or swim meets, trips to the pool or gym, or just lounging around in. look and feel your best in or out of the water, while you play, train or win in speedo, the choice of champions.