🚨 New users! Use code MBSELLSONPOSH to save $10 off this purchase! Get two for less than the price of one! This item is a 2-pack bundle and includes both black and white versions of the updated ISO Chill Running/active hat. Hats are waterproof, moisture wicking, and have anti-stink zinc technology to keep you cool and calm during your workouts. Runners need more from their hats than just keeping the sun out of their eyes. These are also light, stretchy, and breathable, with a built-in, cool-to-the-touch sweatband. Every runner needs a couple of these. •Ultra-light stretch woven fabric is durable & breathable Iso-Chill sweatband helps disperse body heat, making it feel cool to the touch •Laser perforations for added ventilation where you need it •Adjustable hook & loop closure •Reflective logos •100% Polyester, sweat-proof and anti-stink lululemon nike adidas best running gear