expandable, low-profile waistband pocket to keep your phone secure & safe .Tough, lightweight HeatGear fabric, with all the performance benefits of UA Compression .Built-in brief for added support .4-way stretch construction moves better in every direction .Material wicks sweat & dries really fast .Anti-odor technology prevents the growth of odor-causing microbes .Easy-entry, overlap powermesh side pockets for gels/keys/phone/etc. .Reflective logos deliver greater visibility on low-light runs .Inseam: 19" .