OUTDOOR RESEARCH ECHO LONG SLEEVE TEE SHIRT - MEN'SAll-time best-selling performance collection loved for its ultralight protection during high-exertion activities in heat.High temps can't hold you back when you're rocking a piece from the Echo Collection. Included in Outdoor Gear Lab's Best Base Layer round up for 2021, the Echo L/S is the perfect lightweight layer for anyone who wants to get outside in those warmer months. Built with UPF sun protection, AirVent(TM) moisture management, ActiveFresh(TM) 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.FEATURESFABRIC PERFORMANCEWickingQuick DryingBreathableOdor ResistantUPF 15DESIGN FEATURESFlat seam constructionSet-in sleevesReflective logo