Features:- Super-Light, Smooth Heatgear® Fabric Delivers Superior Coverage Without Weighing You Down- Material Wicks Sweat & Dries Really Fast- 4-Way Stretch Material Moves Better In Every Direction- Strategic Laser Perforations For Added Breathability Where You Need It- Updated, Expandable Center-Back Pocket Is Water-Resistant & Keeps Your Phone Secure,- With No Bouncing- High-Rise Waistband With Interior Drawcord For A Optimal Coverage & A Perfect Stay-Put Fit- Side Drop-In Pockets- Reflective Details For Low-Light RunsSpecifications:- Material: 77% Polyester/23% Elastane