High   temps can't hold you back when you're rocking a piece from the Echo   Collection. Built with UPF sun protection, AirVent™ moisture management,   ActiveFresh™ odor control technology, and topped off with an anti-chafing   flat-seam design, the Echo Collection is the smarter way to tackle the heat   without adding weight. From sun-scorched desert climbs to sweltering ultra   runs, the Echo is your perfect balance of tech-packed performance and   ultralight protection.
 
    Features:
    UPF 15
    AirVent™ moisture management
    ActiveFresh™ odor control
    Flat-seam Construction
    Raglan Sleeves
    Thumb Holes
    Reflective Logo
 
    Fabric:
    Airvent™ 100% Polyester