The Fractel M Series Hat is a lightweight, breathable, and packable hat utilizing four mesh panels and features a premium Polartec Power Dry fabric, the most advanced next-to-skin moisture management fabric on the market, making it the ideal choice for warm weather headwear. This cap is designed with a pliable brim for easy packability, UPF +50 sun protection on the brim, front, and side panels, and is made with REPREVE MICROmesh for a highly breathable design.  As an added benefit, the Fractel M Series Hat features a dark underbill to reduce glare and a SWIFTdry internal headband to absorb sweat so you can stay cool and comfortable during your runs.