eatures: Super lightweight High performance fabric - quick drying and breathable Reflective elements On Dry Tec™ technology to stay dry and fresh Smooth bonded hems Bonded hem at the back for comfort No distractions or skin irritations Warm weather running must have Climate - warm Materials: Front: 90% Recycled Polyester, 10% Elastane, Back: 80% Recycled Polyester, 20% Elastane Size Guide (Inches) CHEST WAIST HIP XS 35.4 39.5 36 S 35.8-37.8 29.9-32.3 35.4-.37.4 M 38.2-40.2 32.7-35 37.8-39.8 L 40.6-42.5 35.4-37.8 40.2-42.1 XL 42.9-46.1 38.2-41.3 42.5-44.5 XXL 46.5-49.6 41.7-44.9 44.9-46.9 On Performance Tank Top Large Flame Polyester/Elastane