Sleek design is great for workouts or casual wear. Four-Way Stretch, Warpstreme™ Fabric is sweat wicking Classic Fit designed with room at waist and chest - Runs on the small side. I recommended sizing up. Product Features zipped chest pocket, two zippered side pockets, hidden media and coin pockets Pockets: 86% Recycled polyester, 14% Elastane Body: 100% Elastomultiester Wash with like colours Machine wash cold, Do not bleach, Tumble dry low, Do not iron, Do not dry clean