Outdoor Research Echo Short Sleeve Tee - Men's Pebble Large. 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. Specifications for Outdoor Research Echo Short Sleeve Tee - Men's: Manufacturer: Outdoor Research Men's Clothing Size: Large Sleeve Length: Short Center Back Length: 29.75 in Age Group: Adults Apparel Fit: Trim Gender: Male Color: Pebble Application: Sports Shirt Style: Sweatshirt Fabric/Material: Airvent 100percent Polyester Weight: 3.1 oz Neckline: Crew Moisture Wicking: Yes Seasonal/Temperature Use: Summer Features of Outdoor Research Echo Short Sleeve Tee - Men's CENTER BACK LENGTH : 29 3/4in / 76 cm FABRIC PERFORMANCE Wicking Quick Drying Breathable Odor Resistant UPF 15 DESIGN FEATURES Flat-seam Construction Set-in Sleeves Reflective Logo FUNCTIONAL DETAILS Flat-seam Construction Set-in Sleeves Reflective Logo ORIGIN Bangladesh Package Contents: Outdoor Research Echo Short Sleeve Tee - Men's Outdoor Research 2692081569008: Echo Short Sleeve Tee - Men's Pebble Large Outdoor Research 2692081569008: Echo Short Sleeve Tee - Men's Pebble Large