Favorite tank! Smoke-free home. From lululemon: Sprints anyone? This lightweight tank has mesh fabric panels for breathability in sweaty situations. Sweat-wicking Four-way stretch Quick-drying Mesh fabric panel for breathability Reflective details help keep you on the radar Fit: - Sits below the waistband for moderate, everyday coverage - An easy fit that floats away from your body Mesh: 79% Nylon, 21% Xtra life lycra® elastane Body: 76% Nylon, 24% Elastane