This 1/2 zip top is a functional cool-weather running garment that's designed to help runners keep warm in colder conditions. Featuring a breathable and lightweight fabric, the top also implements a higher neck design to help protect against the wind. Additionally, the front zipper allows the runner to unzip the front and experience better ventilation. Supporting a more sustainable design approach, this 1/2 zip top is also constructed with recycled materials. Breathable and lightweight fabric High-neck design helps protect against the wind Front zipper helps runners experience better ventilation Chin guard helps protect the skin from zipper closure At least 50% of the primary material for this garment is made with recycled materials.