Model [ NK11533739]Nike Swift Men's Running Pants BlackIncredible Stretch. Streamlined Comfort.The Nike Swift Men's Running Pants offer versatile coverage from warm-ups to race day with four-way stretch fabric that helps wick sweat and provide targeted support. Optimal StretchThe upper leg offers a relaxed fit with lightweight, breathable fabric while the lower leg features Nike Power fabric for optimal stretch and support. Stay DryDri-FIT Technology wicks sweat to help keep you dry and comfortable. Secure StorageA waterproof back-right hip pocket offers secure storage and fits most smartphones. Zippered side seam pockets lay flat to help eliminate distractions and hold additional small items. More DetailsLow-profile elastic waistband and cuffs provide a stay-put fit. Reflective details stand out in low light. Fabric: Body: 78% polyester/22% spandex. Lower leg panels/upper back panel: 85% polyester/15% spandex. Machine wash.