Lululemon Womens Fast and Free Running Hat Elite - White 。New without tags I love the mesh, it makes it very breathable but I prefer the black one. Go the distance. Mesh fabric panels on this lightweight running hat provide breezy ventilation so you can get the most out of every mile. Swift fabric is lightweight, four-way stretch, sweat-wicking, and quick-drying Features Designed for: Run Breathability: Strategically placed Mesh fabric provides ventilation Goodbye sweaty forehead: Interior Mesh fabric sweatband wicks moisture Shine-bright : Reflective detail helps keep you on the radar in low light Adjustable closure: Back closure adjusts for a customized fit