The Jail Neck is designed for sports use with 100% polyester fibers. It is highly breathable and protects from weather conditions, helping to absorb body moisture during exercise. The microfibers allow for moisture to be absorbed while also preventing cold from entering, creating a layer of comfort thanks to the natural fibers in the fabric. It is a durable and high-quality fabric designed for use in sports and is ideal for any outdoor sport.Referencia: HM5618