Because of its stretchable nature, knit fabrics are a good fit for use in sportswear. Common items include tracksuits, jerseys, leggings, sport bras, arm sleeves, head bands, etc.
The following photos are examples of a double jersey knit fabric, an arm sleeve, a sport jersey, and a basketball head band.
You can order the fabric you need for your intended garment production based on the fabric specs that you desire.