- The Interlock Polyester Winter Tracksuit is a comfortable and stylish activewear outfit designed to keep you warm during cold weather. It is made of interlock polyester fabric, which is soft, breathable, and durable. The tracksuit features a full-zip jacket with a stand-up collar and two side pockets, while the pants have an elastic waistband and two side pockets. The jacket and pants both have ribbed cuffs and hem for a snug fit and better insulation. The tracksuit comes in various sizes and colors to suit your preferences. It is suitable for various activities, such as jogging, exercising, and casual wear. Overall, the Interlock Polyester Winter Tracksuit is a great addition to your winter wardrobe, providing comfort and style while keeping you warm.