Built for chilly weather, the Nike Sphere Challenger Pant brings must-have warmth to your workout. They're made from layered, insulating fabric that also repels water to help block out light rain.Details:Nike Therma-FIT technology helps manage your body's natural heat to help keep you warm in cold-weather conditions. Nike Therma-Sphere is a soft layered knit material with raised nodes on the inside that limit cling and improve breathability. Woven overlays on the lower legs help prevent fraying and chafing. The water-repellent finish helps keep you dry in wet weather. Side pockets help keep your hands warm. Zip back pocket is big enough to hold most phones. The zip cuffs make the trousers easy to get on and off over your shoes.Elastic waistband with drawcord Reflective design bars on back of cuffs