Shop Premium Activewear Online in Australia for Style and Performance Searching for activewear online in Australia? SUB4 provides custom-designed teamwear that’s comfortable, stylish, and built for performance. Here’s why you should choose us: Personalised activewear for every sport. Made with durable, high-performance fabrics. Quality gear without breaking the bank. Designed and delivered locally. Friendly team to bring your vision to life. Choose SUB4 for activewear that stands out!