Jerf aims to offer comfortable, high quality and accessible products that can be used in active sports life by using circular knitting technology, one of the latest technology production techniques. Based on this goal; The products are unique, natural and designed to make the wearer feel stylish while doing sports. With its experienced staff in circular knitting technology, Jerf makes its own production in its fully integrated facilities and exports its products to many countries of the world. It has an international brand position with its current and innovative collections in its field. Jerf designs all of its seamless models in its Istanbul office. Their products are knitted, sewn and dyed in their own facilities. This allows us to control the entire process from development to packaging within itself. The facilities have an Italian circular knitting machine and the beginning of each product starts with the supply of yarns that will provide the best performance. Our seamless knitting machines eliminate unnecessary stitches and maximize flexibility of movement. In this way, we obtain quality products that will offer the best performance.