read more We designed this ultra-light, barely-there hat so that nothing gets in your way when you're chasing a new personal best.SwiftFour-way stretch, sweat-wicking Swift fabric is durable and lightweightfour-way stretchsweat-wickingdurablelightweightFeaturesDesigned for: RunGoodbye sweaty forehead: Interior Mesh fabric sweatband wicks moistureAdjustable straps: Adjust the straps for a custom fit Lululemon Lightspeed Run Hat