Outdoor Research Echo Boxer Briefs - Men's Black Medium. Available in multiple colors and styles its soft comfortable AirVent fabric breathes wicks moisture and dries quickly when you pause to take in the view. Flat-seam construction reduces chafing Polygiene prevents odor and UPF 15 protection helps prevent sunburn on clear warm days. Specifications for Outdoor Research Echo Boxer Briefs - Men's: Manufacturer: Outdoor Research Apparel Fit: Trim Age Group: Adults Application: Casual Gender: Male Fabric/Material: 100percent Polyester Adjustability: No Weight: 1.8 oz Features of Outdoor Research Echo Boxer Briefs - Men's Ultralight Quick Drying Wicking Breathable Movement-Mirroring Stretch UPF 20 ActiveFresh Odor Control AirVent Package Contents: Outdoor Research Echo Boxer Briefs - Men's Outdoor Research 2876300001007: Echo Boxer Briefs - Men's Black Medium