Whether it's a chill in the air or powerful rays, this easy-fitting quarter-zip top is ready to support you on your run. Sweat-wicking tech helps keep you comfortable and dry, and UV protection adds extra coverage so you can feel confident as you log your daily miles. Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. Zip pocket on left hip holds your essentials. Thumbholes let you extend your coverage and help hold the sleeves in place while you move. This product provides UVA and UVB protection from the sun only in the areas covered by the garment. To protect exposed areas, the use of good quality sunscreen is recommended.