Stay warm and focused during your runs with the Nike Women's Therma Sphere Element Half-Zip Running Top. This relaxed activewear sweater is made from Nike's Therma Sphere fabric, which helps keep you warm and comfortable in cold weather. The half-zip design allows for easy ventilation, while the mock neck provides added coverage. The thumbholes on the sleeves keep your hands warm and offer a secure fit. Whether you're training for a marathon or going for a jog, this running top is a great choice.