Fit & Design: Relaxed fit pants Regular rise – Sits below the natural waist The breathable knit fabric has a super stretchy feel for more effortless movement Elastic waistband with drawcord creates a comfortable, adjustable fit Zippered side pockets help keep your essentials secure A center back pocket has a soft hook-and-loop closure for extra comfort while seated Ribbed cuffs help hold the hems in place Technology: Nike Therma-FIT ADV technology combines heat-regulating fabric with advanced engineering and features to help keep you warm in cold-weather conditions Additional Details: Machine wash Designed to fit in with other pieces from the Axis System, these pants are a Level 2, meaning they can be worn over a base layer, perfect for low and high intensity workouts when extra warmth is needed The Axis collection uses atlas mapping and data from hundreds of athletes to create gear that is made to move. Lightweight and breathable, they're tough enough for training, but comfortable enough to wear before and after your reps