We designed this ultra-light, barely there hat so nothing gets in your way when you’re chasing a new personal best—lightspeed ahead.Fabric is four-way stretch features Designed for: Run Goodbye sweaty forehead: Interior Mesh fabric sweatband wicks moisture Adjustable: Flexible brim and adjustable back closure Reflective: Reflective details on the brim keep you on the radar Adjustable straps: Adjust the straps for a custom fit