Personalised Sports Accessories Designed for Performance and Style Adding your unique touch to your gear makes all the difference. We specialise in creating high-quality, personalised sports accessories that are designed just for you. From cycling caps to running gear, we help you stand out. Here’s why you should choose SUB4: Durable materials for peak performance. Your design, your colours, your logo. Years of experience in every stitch. Let's create your custom kit together.