The Nike Dri-FIT Phenom Vapor Mens Running Shorts help keep you cool and comfortable when youre on the move with supportive built-in shorts and added ventilation features. - Breathable Support: Built-in compression shorts feature stretch mesh panels for support with excellent breathability. - Optimal Ventilation: Allover perforations are engineered into the outer shorts to help keep air flowing. - Stay Dry: Dri-FIT fabric helps keep you dry and comfortable by wicking sweat away to the fabrics surface, where it quickly evaporates. More Benefits:  - Elastic waistband with internal drawcord - Zip back-hip pocket with waterproof membrane keeps your items dry - Additional drop-in pockets for extra small-item storage - Reflective details enhance visibility in low light Product Details: - 7' inseam (based on size medium) - Fabric: Body: Dri-FIT 100% polyester.  - Lining: Dri-FIT 84% recycled polyester/16% spandex.  - Center front lining: Dri-FIT 100% recycled polyester.  - Center back lining: Dri-FIT 80% recycled polyester/20% spandex. - Machine wash  [-]